Docker Multi-Stage Build for Python APIs: Venv-First Guide
Build smaller Python API images with a docker multi-stage build: pass one venv between stages, order layers for caching, use uv and slim bases safely.
13 min read
Tag
docker
NestJS Testcontainers: Integration Tests Against Real PostgreSQL
Run NestJS integration and e2e tests against a disposable PostgreSQL via Testcontainers, with real migrations, per-test isolation and a fast CI setup.
14 min read
Nx Docker Build with a Pruned Lockfile for Lean Node Images
Use Nx generatePackageJson to emit a per-app package.json and pruned lockfile, then build a lean multi-stage Docker image for an Nx Node app.
14 min read
Monorepo Docker Build: Fast, Small Per-Service Images
Build per-service Docker images in a monorepo with a narrowed root context, pruned workspaces, layer ordering, cache mounts, multi-stage builds and CI caching.
13 min read
Dockerfile Best Practices for Small, Fast, Secure Node.js and Java Images
Build small, fast, secure Node.js and Java images with multi-stage builds, cache-aware layer order, pinned minimal bases and a non-root user.
15 min read
Docker for Backend Developers: Image Layers and Build Cache Explained
Learn how Docker image layers and build cache work, then write Dockerfiles ordered for fast rebuilds, small images and reproducible, secure backend builds.
17 min read
Docker Compose Local Development: Healthchecks, Volumes, Overrides
Build a Docker Compose local development stack that starts in order with healthchecks, persists data with volumes, and reloads code via override files.
13 min read