Refactor restart script: streamline Docker compose argument handling and improve readability

restart.sh

@@ -5,6 +5,8 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
 cd "$SCRIPT_DIR"
 
 COMPOSE_FILE="docker-compose-multitenant.yml"
+ENV_FILE="$SCRIPT_DIR/.docker-build.env"
+RUNTIME_COMPOSE_OVERRIDE_FILE="$SCRIPT_DIR/.docker-compose.runtime.override.yml"
 while [[ $# -gt 0 ]]; do
     case "$1" in
         --multitenant)
@@ -26,10 +28,27 @@ if ! command -v docker >/dev/null 2>&1; then
     exit 1
 fi
 
-echo "Rebuilding and restarting app container using $COMPOSE_FILE..."
-docker compose -f "$COMPOSE_FILE" up -d --build app
+echo "Rebuilding and/or restarting app container using $COMPOSE_FILE..."
+compose_args=(-f "$COMPOSE_FILE")
+if [ -f "$RUNTIME_COMPOSE_OVERRIDE_FILE" ]; then
+    compose_args+=( -f "$RUNTIME_COMPOSE_OVERRIDE_FILE" )
+fi
+if [ -f "$ENV_FILE" ]; then
+    compose_args+=( --env-file "$ENV_FILE" )
+fi
+
+if [ -f "$SCRIPT_DIR/Dockerfile" ]; then
+    docker compose "${compose_args[@]}" up -d --build app
+else
+    echo "Warning: Dockerfile not found in $SCRIPT_DIR. Skipping build and restarting existing app container."
+    if ! docker compose "${compose_args[@]}" up -d --no-build app; then
+        echo "Warning: app image not found or not available locally. Attempting docker compose pull app..."
+        docker compose "${compose_args[@]}" pull app
+        docker compose "${compose_args[@]}" up -d --no-build app
+    fi
+fi
 
 echo "Cleaning up unused Docker images..."
 docker image prune -f
 
-echo "App rebuild complete."
+echo "App restart complete."