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Generate ecosystem-specific .dockerignore files to reduce build context size and prevent secret leaks. Use when no .dockerignore exists, when the build context is large, or when secrets may be leaking into images.
Reference for all Nixopus API operations callable via nixopus_api(method, path, body)
Generate Caddyfile configurations for static sites and reverse proxies — SPA fallback routing, cache headers, compression, redirects, and error pages. Use when deploying a static site that needs custom Caddy configuration, or when the user needs SPA routing, caching, or redirect rules.
Generate docker-compose.yml for multi-service setups including databases, caches, and service dependencies. Use when the app needs a database, cache, message broker, or has multiple independently deployable services.
Size container memory and CPU limits, diagnose OOM kills and CPU throttling, and recommend resource adjustments by ecosystem. Use when containers are being OOM-killed, running slowly, or when setting initial resource limits for a deployment.
Build and deploy C/C++ applications — CMake, Meson, Ninja, and Dockerfile patterns. Use when deploying a C or C++ project, or when CMakeLists.txt or meson.build is detected.
Run database migrations safely during deployment — framework-specific commands, pre-deploy vs post-deploy timing, health gates, and rollback strategies. Use when the app has a database migration system and needs migrations run during deployment.
| name | dockerignore-generation |
| description | Generate ecosystem-specific .dockerignore files to reduce build context size and prevent secret leaks. Use when no .dockerignore exists, when the build context is large, or when secrets may be leaking into images. |
| metadata | {"version":"1.0"} |
Without a .dockerignore:
node_modules (hundreds of MB), .git history, and local env files.env files get copied into the image and are extractableEvery .dockerignore should include:
.git
.gitignore
.env
.env.*
!.env.example
!.env.sample
*.md
!README.md
LICENSE
docker-compose*.yml
.dockerignore
Dockerfile
.vscode
.idea
.cursor
node_modules
.next
.nuxt
.output
dist
build
.cache
coverage
.nyc_output
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
.pnpm-debug.log*
.turbo
.vercel
.netlify
storybook-static
__pycache__
*.pyc
*.pyo
*.egg-info
.eggs
.venv
venv
env
.tox
.pytest_cache
.mypy_cache
.ruff_cache
htmlcov
*.cover
vendor/
*.test
*.out
bin/
tmp/
target/
*.rs.bk
target/
build/
.gradle/
*.class
*.jar
!*.jar # if copying JARs intentionally, remove this line
.settings/
.classpath
.project
vendor/bundle
.bundle
log/
tmp/
coverage/
spec/reports
vendor/
storage/logs/
storage/framework/cache/
storage/framework/sessions/
storage/framework/views/
bootstrap/cache/
_build/
deps/
.elixir_ls/
cover/
bin/
obj/
*.user
*.suo
packages/
package.json, go.mod, requirements.txt, etc.)test/ or tests/ or __tests__/ exists: add test directories.github/ exists: add .github/.dockerignore at the project root!.env.example negates the .env.* exclusion — keep example env files so Dockerfile can reference them.dockerignore is relative to the build context root, not the Dockerfile locationbuild.context changes what .dockerignore applies to — if context is ., the root .dockerignore appliesprisma/ if Prisma is used — prisma/schema.prisma is needed for postinstallpackage-lock.json, yarn.lock, etc.) — they're essential for reproducible buildspre-deploy-checklist — Checks for .dockerignore existence and flags missing onesdockerfile-generation — Generate .dockerignore alongside the Dockerfile