Bake git commit ID into container build

Author: alanbriolat

.gitignore

@@ -27,7 +27,7 @@ cabal-dev
 *.egg
 *.egg-info
 dist
-build
+build/
 eggs
 parts
 bin

Dockerfile

@@ -7,5 +7,8 @@ COPY csbot.*.cfg requirements.txt run_csbot.py docker-entrypoint.sh ./
 
 RUN pip install -r requirements.txt
 
+ARG SOURCE_COMMIT
+ENV SOURCE_COMMIT $SOURCE_COMMIT
+
 ENTRYPOINT ["./docker-entrypoint.sh"]
 CMD ["./csbot.cfg"]

docker-entrypoint.sh

@@ -4,8 +4,9 @@ if [[ ! -z "$ROLLBAR_ACCESS_TOKEN" ]] ; then
     curl https://api.rollbar.com/api/1/deploy/ \
         -F access_token=$ROLLBAR_ACCESS_TOKEN \
         -F environment=${ROLLBAR_ENV:-development} \
-        -F revision=`git rev-parse --verify HEAD` \
+        -F revision=$SOURCE_COMMIT \
         -F local_username=`whoami`
 fi
 
+env
 exec ./run_csbot.py $@

hooks/build

@@ -0,0 +1,2 @@
+#!/bin/bash
+docker build --build-arg SOURCE_COMMIT=$SOURCE_COMMIT -f $DOCKERFILE_PATH -t $IMAGE_NAME .