Try serving files with Go Cloud Development Kit

8 files changed, 494 insertions, 91 deletions

diff --git a/go.mod b/go.mod
index 049b9c57..16f141e8 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.13
 require (
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/fzipp/gocyclo v0.0.0-20150627053110-6acd4345c835
-	github.com/golang/mock v1.3.1
+	github.com/golang/mock v1.4.3
 	github.com/gorilla/context v1.1.1
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/securecookie v1.1.1
@@ -25,12 +25,12 @@ require (
 	github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad
 	gitlab.com/gitlab-org/labkit v0.0.0-20200520155818-96e583c57891
 	gitlab.com/lupine/go-mimedb v0.0.0-20180307000149-e8af1d659877
-	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
-	golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f
-	golang.org/x/net v0.0.0-20200226121028-0de0cce0169b
-	golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f
-	golang.org/x/tools v0.0.0-20200502202811-ed308ab3e770
+	gocloud.dev v0.20.0
+	golang.org/x/crypto v0.0.0-20191206172530-e9b2fee46413
+	golang.org/x/lint v0.0.0-20200302205851-738671d3881b
+	golang.org/x/net v0.0.0-20200602114024-627f9648deb9
+	golang.org/x/sys v0.0.0-20200602225109-6fdc65e7d980
+	golang.org/x/tools v0.0.0-20200608174601-1b747fd94509
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/yaml.v2 v2.2.8
-	honnef.co/go/tools v0.0.1-2020.1.3 // indirect
 )
diff --git a/go.sum b/go.sum
index 550d6a7d..c385aa38 100644
--- a/go.sum
+++ b/go.sum
@@ -1,28 +1,84 @@
+bazil.org/fuse v0.0.0-20180421153158-65cc252bf669/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 cloud.google.com/go v0.26.0 h1:e0WKqKTd5BnrG8aKH3J3h+QvEIQtSUcf2n5UZ5ZgLtQ=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.39.0/go.mod h1:rVLT6fkc8chs9sfPtFc1SBH6em7n+ZoXaG+87tDISts=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.44.3/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0 h1:0E3eE8MX426vUOs7aHfI7aN1BrIzzzf4ccKCSfSjGmc=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.55.0/go.mod h1:ZHmoY+/lIMNkN2+fBmuTiqZ4inFhvQad8ft7MT8IV5Y=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.58.0 h1:vtAfVc723K3xKq1BQydk/FyCldnaNFhGhpJxaJzgRMQ=
+cloud.google.com/go v0.58.0/go.mod h1:W+9FnSUw6nhVwXlFcp1eL+krq5+HQUJeUogSeJZZiWg=
 cloud.google.com/go/bigquery v1.0.1 h1:hL+ycaJpVE9M7nLoiXb/Pn10ENE2u+oddxbD8uu0ZVU=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
 cloud.google.com/go/datastore v1.0.0 h1:Kt+gOPPp2LEPWp8CSfxhsM8ik9CcyE/gYu+0r+RnZvM=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/firestore v1.2.0/go.mod h1:iISCjWnTpnoJT1R287xRdjvQHJrxQOpeah4phb5D3h0=
 cloud.google.com/go/pubsub v1.0.1 h1:W9tAK3E57P75u0XLLR82LZyw8VpAnhmyTOxW9qzmyj8=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0 h1:VV2nUM3wwLLGh9lSABFgZMjInyUbJeaRSE64WuAIQ+4=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.9.0 h1:oXnZyBjHB6hC8TnSle0AWW6pGJ29EuSo5ww+SFmdNBg=
+cloud.google.com/go/storage v1.9.0/go.mod h1:m+/etGaqZbylxaNT876QGXqEHp4PR2Rq5GMqICWb9bU=
+contrib.go.opencensus.io/exporter/aws v0.0.0-20181029163544-2befc13012d0/go.mod h1:uu1P0UCM/6RbsMrgPa98ll8ZcHM858i/AD06a9aLRCA=
+contrib.go.opencensus.io/exporter/stackdriver v0.12.1/go.mod h1:iwB6wGarfphGGe/e5CWqyUk/cLzKnWsOKPVW3no6OTw=
+contrib.go.opencensus.io/integrations/ocsql v0.1.4/go.mod h1:8DsSdjz3F+APR+0z0WkU1aRorQCFfRxvqjUUPMbF3fE=
+contrib.go.opencensus.io/resource v0.1.1/go.mod h1:F361eGI91LCmW1I/Saf+rX0+OFcigGlFvXwEGEnkRLA=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
+github.com/Azure/azure-amqp-common-go/v3 v3.0.0/go.mod h1:SY08giD/XbhTz07tJdpw1SoxQXHPN30+DI3Z04SYqyg=
+github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
+github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
+github.com/Azure/azure-sdk-for-go v37.1.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-service-bus-go v0.10.1/go.mod h1:E/FOceuKAFUfpbIJDKWz/May6guE+eGibfGT6q+n1to=
+github.com/Azure/azure-storage-blob-go v0.9.0/go.mod h1:8UBPbiOhrMQ4pLPi3gA1tXnpjrS76UYE/fo5A40vf4g=
+github.com/Azure/go-amqp v0.12.6/go.mod h1:qApuH6OFTSKZFmCOxccvAv5rLizBQf4v8pRmG138DPo=
+github.com/Azure/go-amqp v0.12.7/go.mod h1:qApuH6OFTSKZFmCOxccvAv5rLizBQf4v8pRmG138DPo=
+github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest v0.9.3/go.mod h1:GsRuLYvwzLjjjRoWEIyMUaYq8GNUx2nRB378IPt/1p0=
+github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
+github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/adal v0.8.1/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
+github.com/Azure/go-autorest/autorest/adal v0.8.3/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
+github.com/Azure/go-autorest/autorest/azure/auth v0.4.2/go.mod h1:90gmfKdlmKgfjUpnCEpOJzsUEjrWDSLwHIG73tSXddM=
+github.com/Azure/go-autorest/autorest/azure/cli v0.3.1/go.mod h1:ZG5p860J94/0kI9mNJVoIoLgXcirM2gF5i2kWloofxw=
+github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/autorest/to v0.3.0/go.mod h1:MgwOyqaIuKdG4TL/2ywSsIWKAfJfgHDo8ObuUk3t5sA=
+github.com/Azure/go-autorest/autorest/validation v0.2.0/go.mod h1:3EEqHnBxQGHXRYq3HT1WyXAvT7LLY3tl70hw6tQIbjI=
+github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
+github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/CloudyKit/fastprinter v0.0.0-20170127035650-74b38d55f37a/go.mod h1:EFZQ978U7x8IRnstaskI3IysnWY5Ao3QgZUKOXlsAdw=
 github.com/CloudyKit/jet v2.1.3-0.20180809161101-62edd43e4f88+incompatible/go.mod h1:HPYO+50pSWkPoj9Q/eq0aRGByCL6ScRlUmiEX5Zgm+w=
+github.com/GoogleCloudPlatform/cloudsql-proxy v0.0.0-20191009163259-e802c2cb94ae/go.mod h1:mjwGPas4yKduTyubHvD1Atl9r1rUq8DfVy+gkVvZ+oo=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
 github.com/Joker/jade v1.0.1-0.20190614124447-d475f43051e7/go.mod h1:6E6s8o2AE4KhCrqr6GRJjdC/gNfTdxkIXvuGZZda2VM=
 github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
@@ -32,12 +88,18 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
+github.com/aws/aws-sdk-go v1.15.27/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
+github.com/aws/aws-sdk-go v1.19.18/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.31.13 h1:UeWMTRTL0XAKLR7vxDL4/u7KOtz/LtfJr+lXtxN4YEQ=
+github.com/aws/aws-sdk-go v1.31.13/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0 h1:HWo1m869IqiPhD389kmkxeTalrjNbbJTC8LXupb+sl0=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20180905225744-ee1a9a0726d2/go.mod h1:GJKEexRPVJrBSOjoqN5VNOIKJ5Q3RViH6eu3puDRwx4=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@@ -47,6 +109,7 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/client9/reopen v1.0.0 h1:8tpLVR74DLpLObrn2KvsyxJY++2iORGR17WLUdSzUws=
 github.com/client9/reopen v1.0.0/go.mod h1:caXVCEr+lUtoN1FlsRiOWdfQtdRHIYfcb0ai8qKWtkQ=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -57,16 +120,23 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/devigned/tab v0.1.1/go.mod h1:XG9mPq0dFghrYvoBF3xdRrJzSTX1b7IQrvaL9mzjeJY=
 github.com/dgraph-io/badger v1.6.0/go.mod h1:zwt7syl517jmP8s94KqSxTlM6IMsdhYy6psNgSztDR4=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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@@ -81,12 +151,16 @@ github.com/gin-gonic/gin v1.4.0/go.mod h1:OW2EZn3DO8Ln9oIKOvM++LBO+5UPHJJDH72/q/
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@@ -98,21 +172,33 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
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@@ -121,15 +207,31 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -159,6 +261,11 @@ github.com/iris-contrib/blackfriday v2.0.0+incompatible/go.mod h1:UzZ2bDEoaSGPbk
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@@ -196,9 +303,13 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
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@@ -241,6 +352,7 @@ github.com/pkg/errors v0.8.0 h1:WdK/asTD0HN+q6hsWO3/vpuAkAr+tw6aNJNDFFf0+qw=
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@@ -327,16 +439,22 @@ github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0/go.mod h1:/LWChgwKmv
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@@ -345,13 +463,19 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
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@@ -360,15 +484,20 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
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@@ -385,17 +514,33 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -405,6 +550,7 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -422,12 +568,30 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -444,6 +609,7 @@ golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3
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@@ -453,25 +619,56 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
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@@ -479,29 +676,66 @@ google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
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+google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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+google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200305110556-506484158171/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200312145019-da6875a35672/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200317114155-1f3552e48f24/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200325114520-5b2d0af7952b/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
+google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
+google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20200603110839-e855014d5736/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
+google.golang.org/genproto v0.0.0-20200608115520-7c474a2e3482 h1:i+Aiej6cta/Frzp13/swvwz5O00kYcSe0A/C5Wd7zX8=
+google.golang.org/genproto v0.0.0-20200608115520-7c474a2e3482/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
+google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
+google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.24.0 h1:vb/1TCsVn3DcJlQ0Gs1yB1pKI6Do2/QNwxdKqmc/b0s=
 google.golang.org/grpc v1.24.0/go.mod h1:XDChyiUovWa60DnaeDeZmSW86xtLtjtZbwvSiRnRtcA=
+google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
+google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
+google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
+google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
+google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0 h1:qdOKuR/EIArgaWNjetjgTzgVTAZ+S/WXVrq9HW9zimw=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
+google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+google.golang.org/protobuf v1.24.0 h1:UhZDfRO8JRQru4/+LlLE0BRKGF8L+PICnvYZmx/fEGA=
+google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 gopkg.in/DataDog/dd-trace-go.v1 v1.7.0/go.mod h1:DVp8HmDh8PuTu2Z0fVVlBsyWaC++fzwVCaGWylTe3tg=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
@@ -532,4 +766,7 @@ honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXe
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
+honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
diff --git a/internal/domain/domain_test.go b/internal/domain/domain_test.go
index fc5611ba..0d6697b0 100644
--- a/internal/domain/domain_test.go
+++ b/internal/domain/domain_test.go
@@ -158,6 +158,8 @@ func chdirInPath(t require.TestingT, path string) func() {
 }
 
 func TestServeNamespaceNotFound(t *testing.T) {
+	defer setUpTests(t)()
+
 	tests := []struct {
 		name             string
 		domain           string
@@ -171,7 +173,7 @@ func TestServeNamespaceNotFound(t *testing.T) {
 			path:   "/unknown",
 			resolver: &stubbedResolver{
 				project: &serving.LookupPath{
-					Path:               "../../shared/pages/group.404/group.404.gitlab-example.com/public",
+					Path:               "group.404/group.404.gitlab-example.com/public",
 					IsNamespaceProject: true,
 				},
 				subpath: "/unknown",
@@ -184,7 +186,7 @@ func TestServeNamespaceNotFound(t *testing.T) {
 			path:   "/private_project/unknown",
 			resolver: &stubbedResolver{
 				project: &serving.LookupPath{
-					Path:               "../../shared/pages/group.404/group.404.gitlab-example.com/public",
+					Path:               "group.404/group.404.gitlab-example.com/public",
 					IsNamespaceProject: true,
 					HasAccessControl:   false,
 				},
@@ -198,7 +200,7 @@ func TestServeNamespaceNotFound(t *testing.T) {
 			path:   "/unknown",
 			resolver: &stubbedResolver{
 				project: &serving.LookupPath{
-					Path:               "../../shared/pages/group.404/group.404.gitlab-example.com/public",
+					Path:               "group.404/group.404.gitlab-example.com/public",
 					IsNamespaceProject: true,
 					HasAccessControl:   true,
 				},
diff --git a/internal/serving/disk/helpers.go b/internal/serving/disk/helpers.go
index 01f59767..7ed8566a 100644
--- a/internal/serving/disk/helpers.go
+++ b/internal/serving/disk/helpers.go
@@ -8,6 +8,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"gocloud.dev/blob"
 	"golang.org/x/sys/unix"
 
 	"gitlab.com/gitlab-org/gitlab-pages/internal/httputil"
@@ -28,24 +29,23 @@ func openNoFollow(path string) (*os.File, error) {
 // Detect file's content-type either by extension or mime-sniffing.
 // Implementation is adapted from Golang's `http.serveContent()`
 // See https://github.com/golang/go/blob/902fc114272978a40d2e65c2510a18e870077559/src/net/http/fs.go#L194
-func detectContentType(path string) (string, error) {
+func (resp *responder) detectContentType(path string) (string, error) {
 	contentType := mime.TypeByExtension(filepath.Ext(path))
+	if contentType != "" {
+		return contentType, nil
+	}
 
-	if contentType == "" {
-		var buf [512]byte
-
-		file, err := os.Open(path)
-		if err != nil {
-			return "", err
-		}
-
-		defer file.Close()
-
-		// Using `io.ReadFull()` because `file.Read()` may be chunked.
-		// Ignoring errors because we don't care if the 512 bytes cannot be read.
-		n, _ := io.ReadFull(file, buf[:])
-		contentType = http.DetectContentType(buf[:n])
+	var buf [512]byte
+	r, err := resp.bucket.NewRangeReader(resp.ctx, path, 0, int64(len(buf)), nil)
+	if err != nil {
+		return "", err
 	}
+	defer r.Close()
+
+	// Using `io.ReadFull()` because `file.Read()` may be chunked.
+	// Ignoring errors because we don't care if the 512 bytes cannot be read.
+	n, _ := io.ReadFull(r, buf[:])
+	contentType = http.DetectContentType(buf[:n])
 
 	return contentType, nil
 }
@@ -60,19 +60,30 @@ func acceptsGZip(r *http.Request) bool {
 	return acceptedEncoding == "gzip"
 }
 
-func handleGZip(w http.ResponseWriter, r *http.Request, fullPath string) string {
+func (resp *responder) handleGZip(w http.ResponseWriter, r *http.Request, key string) (string, *blob.Attributes, error) {
+	attrs, err := resp.bucket.Attributes(resp.ctx, key)
+	if err != nil {
+		return "", nil, err
+	}
+
 	if !acceptsGZip(r) {
-		return fullPath
+		return key, attrs, nil
 	}
 
-	gzipPath := fullPath + ".gz"
+	gzipPath := key + ".gz"
+	gzipAttrs, err := resp.bucket.Attributes(resp.ctx, gzipPath)
+	if err != nil {
+		return key, attrs, nil
+	}
 
-	// Ensure the .gz file is not a symlink
-	if fi, err := os.Lstat(gzipPath); err != nil || !fi.Mode().IsRegular() {
-		return fullPath
+	if resp.disk {
+		// Ensure the .gz file is not a symlink
+		if fi, err := os.Lstat(gzipPath); err != nil || !fi.Mode().IsRegular() {
+			return key, attrs, nil
+		}
 	}
 
 	w.Header().Set("Content-Encoding", "gzip")
 
-	return gzipPath
+	return gzipPath, gzipAttrs, nil
 }
diff --git a/internal/serving/disk/reader.go b/internal/serving/disk/reader.go
index b8dce542..b8201976 100644
--- a/internal/serving/disk/reader.go
+++ b/internal/serving/disk/reader.go
@@ -1,6 +1,8 @@
 package disk
 
 import (
+	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -11,6 +13,9 @@ import (
 	"time"
 
 	"github.com/prometheus/client_golang/prometheus"
+	"gocloud.dev/blob"
+	_ "gocloud.dev/blob/fileblob"
+	"gocloud.dev/gcerrors"
 
 	"gitlab.com/gitlab-org/gitlab-pages/internal/serving"
 )
@@ -20,8 +25,40 @@ type Reader struct {
 	fileSizeMetric prometheus.Histogram
 }
 
+type responder struct {
+	ctx    context.Context
+	bucket *blob.Bucket
+	disk   bool
+	reader *Reader
+}
+
+func (reader *Reader) newResponder(h serving.Handler) (*responder, error) {
+	resp := &responder{
+		ctx:    h.Request.Context(),
+		disk:   true,
+		reader: reader,
+	}
+	var err error
+	resp.bucket, err = blob.OpenBucket(resp.ctx, "file://.")
+	if err != nil {
+		return nil, fmt.Errorf("OpenBucket: %v", err)
+	}
+
+	go func() {
+		<-resp.ctx.Done()
+		resp.bucket.Close()
+	}()
+
+	return resp, nil
+}
+
 func (reader *Reader) tryFile(h serving.Handler) error {
-	fullPath, err := reader.resolvePath(h.LookupPath.Path, h.SubPath)
+	resp, err := reader.newResponder(h)
+	if err != nil {
+		return err
+	}
+
+	fullPath, err := resp.resolvePath(h.LookupPath.Path, h.SubPath)
 
 	request := h.Request
 	host := request.Host
@@ -29,7 +66,7 @@ func (reader *Reader) tryFile(h serving.Handler) error {
 
 	if locationError, _ := err.(*locationDirectoryError); locationError != nil {
 		if endsWithSlash(urlPath) {
-			fullPath, err = reader.resolvePath(h.LookupPath.Path, h.SubPath, "index.html")
+			fullPath, err = resp.resolvePath(h.LookupPath.Path, h.SubPath, "index.html")
 		} else {
 			// TODO why are we doing that? In tests it redirects to HTTPS. This seems wrong,
 			// issue about this: https://gitlab.com/gitlab-org/gitlab-pages/issues/273
@@ -46,23 +83,28 @@ func (reader *Reader) tryFile(h serving.Handler) error {
 	}
 
 	if locationError, _ := err.(*locationFileNoExtensionError); locationError != nil {
-		fullPath, err = reader.resolvePath(h.LookupPath.Path, strings.TrimSuffix(h.SubPath, "/")+".html")
+		fullPath, err = resp.resolvePath(h.LookupPath.Path, strings.TrimSuffix(h.SubPath, "/")+".html")
 	}
 
 	if err != nil {
 		return err
 	}
 
-	return reader.serveFile(h.Writer, h.Request, fullPath, h.LookupPath.HasAccessControl)
+	return resp.serveFile(h.Writer, h.Request, fullPath, h.LookupPath.HasAccessControl)
 }
 
 func (reader *Reader) tryNotFound(h serving.Handler) error {
-	page404, err := reader.resolvePath(h.LookupPath.Path, "404.html")
+	resp, err := reader.newResponder(h)
 	if err != nil {
 		return err
 	}
 
-	err = reader.serveCustomFile(h.Writer, h.Request, http.StatusNotFound, page404)
+	page404, err := resp.resolvePath(h.LookupPath.Path, "404.html")
+	if err != nil {
+		return err
+	}
+
+	err = resp.serveCustomFile(h.Writer, h.Request, http.StatusNotFound, page404)
 	if err != nil {
 		return err
 	}
@@ -71,7 +113,7 @@ func (reader *Reader) tryNotFound(h serving.Handler) error {
 
 // Resolve the HTTP request to a path on disk, converting requests for
 // directories to requests for index.html inside the directory if appropriate.
-func (reader *Reader) resolvePath(publicPath string, subPath ...string) (string, error) {
+func (resp *responder) resolvePath(publicPath string, subPath ...string) (string, error) {
 	// Ensure that publicPath always ends with "/"
 	publicPath = strings.TrimSuffix(publicPath, "/") + "/"
 
@@ -79,16 +121,26 @@ func (reader *Reader) resolvePath(publicPath string, subPath ...string) (string,
 	// where we want to traverse full path as supplied by user
 	// (including ..)
 	testPath := publicPath + strings.Join(subPath, "/")
-	fullPath, err := filepath.EvalSymlinks(testPath)
 
-	if err != nil {
-		if endsWithoutHTMLExtension(testPath) {
-			return "", &locationFileNoExtensionError{
-				FullPath: fullPath,
+	var fullPath string
+	if resp.disk {
+		// This may be a legacy upload where do we want to respsect symlinks, but
+		// do not want to follow them outside the deployment.
+		var err error
+		fullPath, err = filepath.EvalSymlinks(testPath)
+
+		if err != nil {
+			if endsWithoutHTMLExtension(testPath) {
+				return "", &locationFileNoExtensionError{
+					FullPath: fullPath,
+				}
 			}
-		}
 
-		return "", err
+			return "", err
+		}
+	} else {
+		// Object storage does not support symlinks.
+		fullPath = filepath.Clean(testPath)
 	}
 
 	// The requested path resolved to somewhere outside of the public/ directory
@@ -96,39 +148,41 @@ func (reader *Reader) resolvePath(publicPath string, subPath ...string) (string,
 		return "", fmt.Errorf("%q should be in %q", fullPath, publicPath)
 	}
 
-	fi, err := os.Lstat(fullPath)
-	if err != nil {
-		return "", err
-	}
-
-	// The requested path is a directory, so try index.html via recursion
-	if fi.IsDir() {
+	_, attrsErr := resp.bucket.Attributes(resp.ctx, fullPath)
+	if gcerrors.Code(attrsErr) == gcerrors.NotFound && resp.isDir(fullPath) {
 		return "", &locationDirectoryError{
 			FullPath:     fullPath,
 			RelativePath: strings.TrimPrefix(fullPath, publicPath),
 		}
 	}
 
-	// The file exists, but is not a supported type to serve. Perhaps a block
-	// special device or something else that may be a security risk.
-	if !fi.Mode().IsRegular() {
-		return "", fmt.Errorf("%s: is not a regular file", fullPath)
+	if resp.disk {
+		fi, err := os.Lstat(fullPath)
+		// The file exists, but is not a supported type to serve. Perhaps a block
+		// special device or something else that may be a security risk.
+		if err == nil && !fi.Mode().IsRegular() {
+			return "", fmt.Errorf("%s: is not a regular file", fullPath)
+		}
 	}
 
 	return fullPath, nil
 }
 
-func (reader *Reader) serveFile(w http.ResponseWriter, r *http.Request, origPath string, accessControl bool) error {
-	fullPath := handleGZip(w, r, origPath)
-
-	file, err := openNoFollow(fullPath)
+func (resp *responder) isDir(key string) bool {
+	iter := resp.bucket.List(&blob.ListOptions{
+		Prefix:    key,
+		Delimiter: "/",
+	})
+	obj, err := iter.Next(resp.ctx)
 	if err != nil {
-		return err
+		return false
 	}
 
-	defer file.Close()
+	return obj.Key == key+"/" && obj.IsDir
+}
 
-	fi, err := file.Stat()
+func (resp *responder) serveFile(w http.ResponseWriter, r *http.Request, origPath string, accessControl bool) error {
+	fullPath, attrs, err := resp.handleGZip(w, r, origPath)
 	if err != nil {
 		return err
 	}
@@ -139,49 +193,111 @@ func (reader *Reader) serveFile(w http.ResponseWriter, r *http.Request, origPath
 		w.Header().Set("Expires", time.Now().Add(10*time.Minute).Format(time.RFC1123))
 	}
 
-	contentType, err := detectContentType(origPath)
+	contentType, err := resp.detectContentType(origPath)
 	if err != nil {
 		return err
 	}
 
-	reader.fileSizeMetric.Observe(float64(fi.Size()))
+	resp.reader.fileSizeMetric.Observe(float64(attrs.Size))
+
+	brs := &blobReadSeeker{
+		bucket: resp.bucket,
+		ctx:    resp.ctx,
+		key:    fullPath,
+		size:   attrs.Size,
+	}
+	defer brs.Close()
 
 	w.Header().Set("Content-Type", contentType)
-	http.ServeContent(w, r, origPath, fi.ModTime(), file)
+	http.ServeContent(w, r, "", attrs.ModTime, brs)
 
 	return nil
 }
 
-func (reader *Reader) serveCustomFile(w http.ResponseWriter, r *http.Request, code int, origPath string) error {
-	fullPath := handleGZip(w, r, origPath)
-
-	// Open and serve content of file
-	file, err := openNoFollow(fullPath)
+func (resp *responder) serveCustomFile(w http.ResponseWriter, r *http.Request, code int, origPath string) error {
+	fullPath, attrs, err := resp.handleGZip(w, r, origPath)
 	if err != nil {
 		return err
 	}
-	defer file.Close()
 
-	fi, err := file.Stat()
-	if err != nil {
-		return err
+	brs := &blobReadSeeker{
+		bucket: resp.bucket,
+		ctx:    resp.ctx,
+		key:    fullPath,
+		size:   attrs.Size,
 	}
+	defer brs.Close()
 
-	contentType, err := detectContentType(origPath)
+	contentType, err := resp.detectContentType(origPath)
 	if err != nil {
 		return err
 	}
 
-	reader.fileSizeMetric.Observe(float64(fi.Size()))
+	resp.reader.fileSizeMetric.Observe(float64(attrs.Size))
 
 	w.Header().Set("Content-Type", contentType)
-	w.Header().Set("Content-Length", strconv.FormatInt(fi.Size(), 10))
+	w.Header().Set("Content-Length", strconv.FormatInt(attrs.Size, 10))
 	w.WriteHeader(code)
 
 	if r.Method != "HEAD" {
-		_, err := io.CopyN(w, file, fi.Size())
+		_, err := io.CopyN(w, brs, attrs.Size)
 		return err
 	}
 
 	return nil
 }
+
+type blobReadSeeker struct {
+	r      *blob.Reader
+	pos    int64
+	bucket *blob.Bucket
+	ctx    context.Context
+	key    string
+	size   int64
+}
+
+func (brs *blobReadSeeker) Close() error {
+	if brs.r != nil {
+		r := brs.r
+		brs.r = nil
+		return r.Close()
+	}
+
+	return nil
+}
+
+func (brs *blobReadSeeker) Read(p []byte) (int, error) {
+	if brs.r == nil {
+		r, err := brs.bucket.NewRangeReader(brs.ctx, brs.key, brs.pos, -1, nil)
+		if err != nil {
+			return 0, err
+		}
+
+		brs.r = r
+	}
+
+	return brs.r.Read(p)
+}
+
+func (brs *blobReadSeeker) Seek(offset int64, whence int) (int64, error) {
+	if brs.r != nil {
+		if err := brs.r.Close(); err != nil {
+			return 0, err
+		}
+		brs.r = nil
+	}
+
+	switch whence {
+	case io.SeekStart:
+		brs.pos = offset
+	case io.SeekCurrent:
+		brs.pos += offset
+	case io.SeekEnd:
+		brs.pos = brs.size - offset
+	}
+	if brs.pos < 0 {
+		return 0, errors.New("blobReadSeeker: negative seek")
+	}
+
+	return brs.pos, nil
+}
diff --git a/internal/serving/disk/serving.go b/internal/serving/disk/serving.go
index f5ec0d78..4c2b7030 100644
--- a/internal/serving/disk/serving.go
+++ b/internal/serving/disk/serving.go
@@ -1,17 +1,13 @@
 package disk
 
 import (
+	"log"
+
 	"gitlab.com/gitlab-org/gitlab-pages/internal/httperrors"
 	"gitlab.com/gitlab-org/gitlab-pages/internal/serving"
 	"gitlab.com/gitlab-org/gitlab-pages/metrics"
 )
 
-var disk = &Disk{
-	reader: Reader{
-		fileSizeMetric: metrics.DiskServingFileSize,
-	},
-}
-
 // Disk describes a disk access serving
 type Disk struct {
 	reader Reader
@@ -20,7 +16,12 @@ type Disk struct {
 // ServeFileHTTP serves a file from disk and returns true. It returns false
 // when a file could not been found.
 func (s *Disk) ServeFileHTTP(h serving.Handler) bool {
-	return s.reader.tryFile(h) == nil
+	if err := s.reader.tryFile(h); err != nil {
+		log.Print(err)
+		return false
+	}
+
+	return true
 }
 
 // ServeNotFoundHTTP tries to read a custom 404 page
@@ -36,5 +37,9 @@ func (s *Disk) ServeNotFoundHTTP(h serving.Handler) {
 // New returns a serving instance that is capable of reading files
 // from the disk
 func New() serving.Serving {
-	return disk
+	return &Disk{
+		reader: Reader{
+			fileSizeMetric: metrics.DiskServingFileSize,
+		},
+	}
 }
diff --git a/internal/serving/disk/serving_test.go b/internal/serving/disk/serving_test.go
index 6398700d..54bd1c63 100644
--- a/internal/serving/disk/serving_test.go
+++ b/internal/serving/disk/serving_test.go
@@ -4,6 +4,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/require"
@@ -12,6 +13,8 @@ import (
 )
 
 func TestDisk_ServeFileHTTP(t *testing.T) {
+	defer setUpTests(t)()
+
 	s := New()
 	w := httptest.NewRecorder()
 	r := httptest.NewRequest("GET", "http://group.gitlab-example.com/serving/index.html", nil)
@@ -20,7 +23,7 @@ func TestDisk_ServeFileHTTP(t *testing.T) {
 		Request: r,
 		LookupPath: &serving.LookupPath{
 			Prefix: "/serving",
-			Path:   "../../../shared/pages/group/serving/public",
+			Path:   "group/serving/public",
 		},
 		SubPath: "/index.html",
 	}
@@ -36,3 +39,30 @@ func TestDisk_ServeFileHTTP(t *testing.T) {
 
 	require.Contains(t, string(body), "HTML Document")
 }
+
+var chdirSet = false
+
+func setUpTests(t require.TestingT) func() {
+	return chdirInPath(t, "../../../shared/pages")
+}
+
+func chdirInPath(t require.TestingT, path string) func() {
+	noOp := func() {}
+	if chdirSet {
+		return noOp
+	}
+
+	cwd, err := os.Getwd()
+	require.NoError(t, err, "Cannot Getwd")
+
+	err = os.Chdir(path)
+	require.NoError(t, err, "Cannot Chdir")
+
+	chdirSet = true
+	return func() {
+		err := os.Chdir(cwd)
+		require.NoError(t, err, "Cannot Chdir in cleanup")
+
+		chdirSet = false
+	}
+}
diff --git a/internal/source/disk/domain_test.go b/internal/source/disk/domain_test.go
index 56297fd1..3227d8fb 100644
--- a/internal/source/disk/domain_test.go
+++ b/internal/source/disk/domain_test.go
@@ -264,8 +264,10 @@ func TestGroupServeHTTPGzip(t *testing.T) {
 	}
 
 	for _, tt := range testSet {
-		URL := "http://group.test.io" + tt.url
-		testHTTPGzip(t, serveFileOrNotFound(testGroup), tt.mode, URL, nil, tt.acceptEncoding, tt.body, tt.contentType, tt.ungzip)
+		t.Run(tt.url, func(t *testing.T) {
+			URL := "http://group.test.io" + tt.url
+			testHTTPGzip(t, serveFileOrNotFound(testGroup), tt.mode, URL, nil, tt.acceptEncoding, tt.body, tt.contentType, tt.ungzip)
+		})
 	}
 }