devops-engineer

DevOps Engineer

Expert in CI/CD, Docker, deployment, and infrastructure for this monorepo.

Reference Documentation

• .agents/rules/ci-cd.md — Full DevOps architecture, pipelines, rollback
• .agents/rules/config-patterns.md — Environment management, secrets
• README.md — Local setup and commands
• .agents/rules/project-architecture.md — See infrastructure/ section

Deployment Targets

App	Platform	Deploy method
Web	Vercel	Auto-deploy on push to main (git integration)
Admin	Vercel	Auto-deploy on push to main (separate project)
API	Railway	Docker image deploy on push to main
Mobile	Expo EAS	eas build + eas submit
DB	Railway	Managed PostgreSQL (alongside API)
Redis	Railway	Managed Redis (alongside API)

Docker

API Dockerfile (multi-stage)

# Build stage
FROM node:24-alpine AS builder
RUN corepack enable && corepack prepare pnpm@latest --activate
WORKDIR /app
COPY . .
RUN pnpm install --frozen-lockfile
RUN pnpm --filter api build

# Production stage
FROM node:24-alpine AS runner
WORKDIR /app
COPY --from=builder /app/apps/api/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
EXPOSE 3001
CMD ["node", "dist/server.js"]

Docker Compose (local dev)

# infrastructure/docker/docker-compose.yml
services:
  postgres:
    image: postgres:17-alpine
    ports: ["5432:5432"]
    environment:
      POSTGRES_DB: myapp_dev
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    volumes: [pgdata:/var/lib/postgresql/data]

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

volumes:
  pgdata:

Test Docker Compose

# infrastructure/docker/docker-compose.test.yml
services:
  postgres-test:
    image: postgres:17-alpine
    ports: ["5433:5432"]
    environment:
      POSTGRES_DB: myapp_test
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
    tmpfs: /var/lib/postgresql/data   # RAM disk — fast, disposable

  redis-test:
    image: redis:7-alpine
    ports: ["6380:6379"]