fix: need to set docker build context to include local files (#51)

* fix: need to set docker build context to include local files

* chore: update CHANGELOG.md

CHANGELOG.md

@@ -3,6 +3,7 @@
 - make citation files optional for `draft-release` and `post-release`. (#44, @kelly-sovacool)
 - fix `post-release` action to properly update the sliding branch when new releases have incompatible history (typically due to rebasing). (#46, @kelly-sovacool)
 - new documentation website: <https://CCBR.github.io/actions>. (#48, #49, @kelly-sovacool)
+- fix `build-docker` to set the docker build context as the same directory as the Dockerfile. (#51, @kelly-sovacool)
 
 ## actions 0.2.2
 

build-docker/action.yml

@@ -124,6 +124,7 @@ runs:
       uses: docker/build-push-action@v5
       with:
         file: ${{ env.DOCKERFILE }}
+        context: ${{ env.CONTEXT }}
         push: ${{ inputs.push }}
         tags: ${{ env.IMAGENAME }}
         build-args: |

scripts/prepare_docker_build_variables.sh

@@ -61,6 +61,7 @@ artifact_name=$(echo $mdfile | sed 's|/|_|g')
 
 # Output each variable to $GITHUB_ENV to pass it to the next steps
 echo "DOCKERFILE=$dockerfile" >> $GITHUB_ENV
+echo "CONTEXT=$(dirname $dockerfile)" >> $GITHUB_ENV
 echo "IMAGENAME=$imagename" >> $GITHUB_ENV
 echo "BASEIMAGENAME=$baseimagename" >> $GITHUB_ENV
 echo "BUILD_DATE=$dt" >> $GITHUB_ENV