fix: mulitple docker builds

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

@@ -1,16 +1,17 @@
-name: Build and Push Docker Image
+name: Build and Push Docker Image (DEPRECATED - use main-release.yml or docker-build-manual.yml)
+
+# This workflow is deprecated and disabled
+# Use main-release.yml for automatic releases on main branch
+# Use docker-build-manual.yml for manual builds
 
 on:
-  push:
-    tags:
-      - "v*"
-  workflow_call:
+  # Disabled - no triggers
+  workflow_dispatch:
     inputs:
-      version:
-        description: "Version to tag the Docker images (e.g. 1.2.3)"
+      _disabled:
+        description: "This workflow is deprecated. Use docker-build-manual.yml instead."
         required: false
         type: string
-  workflow_dispatch:
 
 env:
   REGISTRY: ghcr.io

backend/Dockerfile

@@ -36,6 +36,12 @@ COPY Cargo.toml ./
 COPY migration/Cargo.toml ./migration/
 COPY entity/Cargo.toml ./entity/
 
+# Create dummy source files for dependency caching
+RUN mkdir -p src migration/src entity/src && \
+    echo "fn main() {}" > src/main.rs && \
+    echo "pub fn dummy() {}" > migration/src/lib.rs && \
+    echo "pub fn dummy() {}" > entity/src/lib.rs
+
 # Build dependencies first (cached layer)
 COPY --from=planner /usr/src/app/recipe.json recipe.json
 RUN cargo chef cook --release --recipe-path recipe.json