build(docker): add DOCKER_TAG env variable

.env-base

@@ -4,5 +4,6 @@ DOCKER_ROOT="$DOCKER_REPO/$DOCKER_GROUP"
 VERSION=$(grep -m 1 'version' ./pyproject.toml | grep -oP 'version\s*=\s*"\K[^"]+')
 PYTHON_VERSION=$(grep -m 1 'python' ./pyproject.toml | grep -oP 'python\s*=\s*"\^?\K[^"]+')
 DOCKER_PROJECTS=("gallery")
+DOCKER_TAG=latest
 
 OPENWEATHER_KEY="<EMPTY>"

docker-compose.yaml

@@ -1,4 +1,4 @@
-name: gallery
+name: gallery-${DOCKER_TAG}
 
 services:
   redis:
@@ -9,7 +9,7 @@ services:
       - redis_data:/data
   app:
     container_name: gallery-app
-    image: ${DOCKER_ROOT}/gallery
+    image: ${DOCKER_ROOT}/gallery:${DOCKER_TAG}
     environment:
       - REDIS_HOST=redis
       - OPENWEATHER_KEY=$OPENWEATHER_KEY

scripts/docker-action

@@ -29,9 +29,9 @@ publish () {
   for PROJECT in "${DOCKER_PROJECTS[@]}"; do
     IFS=: read -r PROJECT_NAME PROJECT_TARGET <<< "$PROJECT"
     docker tag $DOCKER_GROUP/$PROJECT_NAME $DOCKER_ROOT/$PROJECT_NAME:$VERSION
-    docker tag $DOCKER_GROUP/$PROJECT_NAME $DOCKER_ROOT/$PROJECT_NAME:latest
+    docker tag $DOCKER_GROUP/$PROJECT_NAME $DOCKER_ROOT/$PROJECT_NAME:$DOCKER_TAG
     docker push $DOCKER_ROOT/$PROJECT_NAME:$VERSION
-    docker push $DOCKER_ROOT/$PROJECT_NAME:latest
+    docker push $DOCKER_ROOT/$PROJECT_NAME:$DOCKER_TAG
   done
 }