drop config copy

Author: zachalam

Dockerfile

@@ -13,8 +13,7 @@ RUN npm ci --only=production && npm cache clean --force
 # Copy application files
 COPY src/ ./src/
 
-# Copy config.json
-COPY config.json ./config.json
+# Do not bake config into the image; require mounting to /app/config.json
 
 # Create non-root user for security
 RUN groupadd -g 1001 nodejs && \

Dockerfile.dev

@@ -16,8 +16,7 @@ RUN npm ci && npm cache clean --force
 # Copy application files
 COPY src/ ./src/
 
-# Copy config.json
-COPY config.json ./config.json
+# Do not bake config into the image; mount to /app/config.json during development
 
 # Expose port
 EXPOSE 3000

docker-compose.yml

@@ -11,8 +11,8 @@ services:
     volumes:
       # Mount source code for hot reload with nodemon
       - ./src:/app/src:ro
-      # Mount config.json
-      - ./config.json:/app/config.json:ro
+      # Mount config to required path inside container
+      - ./custom-config.json:/app/config.json:ro
     environment:
       - NODE_ENV=development
       - PORT=3000  # Local development uses port 3000