# Verify Docker is installed
docker --version

# Verify Bun is installed locally
bun --version

# Check if project is ready for deployment
ls -la package.json bun.lockb

# syntax=docker/dockerfile:1

FROM oven/bun:1-alpine AS deps
WORKDIR /app
COPY package.json bun.lockb ./
RUN bun install --frozen-lockfile --production

FROM oven/bun:1-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN bun run build

FROM oven/bun:1-alpine AS runtime
WORKDIR /app

RUN addgroup --system --gid 1001 bunuser && \
    adduser --system --uid 1001 bunuser

COPY --from=deps --chown=bunuser:bunuser /app/node_modules ./node_modules
COPY --from=builder --chown=bunuser:bunuser /app/dist ./dist
COPY --from=builder --chown=bunuser:bunuser /app/package.json ./

USER bunuser
EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD bun run healthcheck.ts || exit 1

CMD ["bun", "run", "dist/index.js"]

FROM oven/bun:1-alpine AS builder
WORKDIR /app

COPY package.json bun.lockb ./
RUN bun install --frozen-lockfile

COPY . .
RUN bun build ./src/index.ts --compile --outfile server

FROM gcr.io/distroless/base-debian12
COPY --from=builder /app/server /server
EXPOSE 3000
ENTRYPOINT ["/server"]

node_modules
bun.lockb
dist
*.log
.git
.env
.env.local
tests/
*.test.ts
coverage/
.vscode/
.DS_Store
Dockerfile
docker-compose.yml

#!/usr/bin/env bun

const port = process.env.PORT || 3000;
const healthEndpoint = process.env.HEALTH_ENDPOINT || '/health';

try {
  const response = await fetch(`http://localhost:${port}${healthEndpoint}`, {
    method: 'GET',
    timeout: 2000,
  });

  if (response.ok) {
    process.exit(0);
  } else {
    console.error(`Health check failed: ${response.status}`);
    process.exit(1);
  }
} catch (error) {
  console.error('Health check error:', error);
  process.exit(1);
}

app.get('/health', (req, res) => {
  res.json({
    status: 'ok',
    timestamp: Date.now(),
    uptime: process.uptime(),
  });
});

# Build image
docker build -t myapp:latest .

# Check image size
docker images myapp:latest

# Run container
docker run -p 3000:3000 myapp:latest

# Test health endpoint
curl http://localhost:3000/health

version: '3.8'

services:
  app:
    build:
      context: .
      dockerfile: Dockerfile.dev
    ports:
      - "3000:3000"
    volumes:
      - .:/app
      - /app/node_modules
    environment:
      - NODE_ENV=development
    depends_on:
      - db
      - redis

  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: pass
      POSTGRES_DB: mydb
    ports:
      - "5432:5432"

  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"

{
  "scripts": {
    "docker:build": "docker build -t myapp:latest .",
    "docker:run": "docker run -p 3000:3000 myapp:latest",
    "docker:dev": "docker-compose up",
    "docker:clean": "docker system prune -af"
  }
}

# Copy dependencies first (changes less often)
COPY package.json bun.lockb ./
RUN bun install

# Copy source code last (changes more often)
COPY . .
RUN bun run build

# Combine RUN commands
RUN bun install && \
    bun run build && \
    rm -rf tests/

# Only copy what's needed in runtime
COPY --from=builder /app/dist ./dist
# Don't copy: src/, tests/, .git/, node_modules (if using binary)