Fix Docker build and change port to 8880

- Install all dependencies including devDependencies for build
- Change port mapping from 8080 to 8880

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Dockerfile

@@ -8,8 +8,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
-RUN npm ci --only=production
+# Install all dependencies (including dev dependencies needed for build)
+RUN npm ci
 
 # Copy source code
 COPY . .

docker-compose.yml

@@ -8,7 +8,7 @@ services:
     image: whalehunting-game:latest
     container_name: whalehunting-game
     ports:
-      - "8080:80"
+      - "8880:80"
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost/"]