add CONTAINER variable

The variable allows to set other containers than `openwrtorg/sdk`. This
can be useful to use self created SDKs with e.g. full language or
SELinux support.

Signed-off-by: Paul Spooren <mail@aparcar.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/action.yml b/action.yml
index a71cec9..94d8fea 100644
--- a/action.yml
+++ b/action.yml
@@ -9,6 +9,7 @@ runs:
     - run: |
         docker run --rm \
           --env BUILD_LOG \
+          --env CONTAINER \
           --env EXTRA_FEEDS \
           --env FEEDNAME \
           --env GITHUB_WORKSPACE \