containerize app for production

Dockerfile

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+# =====================
+# Build Stage
+# =====================
+FROM oven/bun:1.2.10-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json bun.lock ./
+RUN bun install --frozen-lockfile
+
+# Copy rest of app
+COPY . .
+
+# Build Next.js app
+RUN bun run build
+
+# =====================
+# Runtime Stage
+# =====================
+FROM oven/bun:1.2.10-alpine
+
+WORKDIR /app
+
+# Copy only necessary files from builder
+COPY --from=builder /app/package.json /app/package.json
+COPY --from=builder /app/.next /app/.next
+COPY --from=builder /app/public /app/public
+COPY --from=builder /app/node_modules /app/node_modules
+
+# Expose port
+EXPOSE 3000
+
+# Run in production
+CMD ["bun", "run", "start"]

docker-compose.yml

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+services:
+  ical-pwa:
+    build: .
+    container_name: ical-pwa
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    environment:
+      NODE_ENV: production
+      OPENROUTER_API_KEY: ${OPENROUTER_API_KEY}
+    volumes:
+      - .:/app
+      - /app/node_modules