Update Dockerfile and docker-compose.yml to change application port to 6060; add health check endpoint. Add cookie dependency to package.json and create health check API endpoint.

Dockerfile

@@ -8,8 +8,8 @@ WORKDIR /app
 # Copy package files
 COPY package*.json ./
 
-# Install dependencies
-RUN npm ci --only=production && npm cache clean --force
+# Install all dependencies (including dev dependencies for build)
+RUN npm install && npm cache clean --force
 
 # Copy source code
 COPY . .
@@ -44,11 +44,11 @@ RUN mkdir -p /app/data && chown nuxt:nodejs /app/data
 USER nuxt
 
 # Expose port
-EXPOSE 3000
+EXPOSE 6060
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {r.statusCode === 200 ? process.exit(0) : process.exit(1)})" || exit 1
+  CMD node -e "require('http').get('http://localhost:6060/api/health', (r) => {r.statusCode === 200 ? process.exit(0) : process.exit(1)})" || exit 1
 
 # Use dumb-init to handle signals properly
 ENTRYPOINT ["dumb-init", "--"]