feature/docker-build-arg (#50)

Co-authored-by: moilanik <niko.moilanen@tietoevry.com>
Reviewed-on: #50

.gitea/workflows/docker-build-push.yml

@@ -8,6 +8,9 @@ on:
       version:
         required: true
         type: string
+      build_args:
+        required: false
+        type: string
     secrets:
       GITEA_TOKEN:
         required: true
@@ -44,6 +47,7 @@ jobs:
         env:
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME || github.actor }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+          BUILD_ARGS_INPUT: ${{ inputs.build_args }}
         run: |
           if [ -z "${DOCKER_REGISTRY}" ]; then echo "ERROR: DOCKER_REGISTRY not set in env.conf"; exit 1; fi
           if [ -z "${DOCKER_IMAGE_NAME}" ]; then echo "ERROR: DOCKER_IMAGE_NAME not set in env.conf"; exit 1; fi
@@ -51,9 +55,18 @@ jobs:
           IMAGE="${DOCKER_IMAGE_NAME}"
           REGISTRY_HOST="${REGISTRY%%/*}"
 
+          BUILD_ARGS=""
+          if [ -n "$BUILD_ARGS_INPUT" ]; then
+            while IFS= read -r arg; do
+              [ -n "$arg" ] && BUILD_ARGS="$BUILD_ARGS --build-arg $arg"
+            done <<EOF
+          $BUILD_ARGS_INPUT
+          EOF
+          fi
+
           NOW=$(date -u +%Y-%m-%dT%H:%M:%SZ)
           CONTEXT_DIR=$(dirname "${DOCKERFILE}")
-          docker build \
+          docker build $BUILD_ARGS \
             --label "git.commit=${{ github.sha }}" \
             --label "git.commitBy=${{ github.actor }}" \
             --label "build.date=${NOW}" \