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next.js

README.md

Next.js Dockerfile

Production-ready setup for Next.js projects

Based on node:14-alpine

Development flow

Run the stack

docker-compose up -d

Visit http://app.yadi.localhost:3070

Environment

Three sample environment files are included in the sample app. Normally only development mode .env file should be included in git as others might contain sensitive data.

  • .env
  • .env.staging
  • .env.prod

Docker Compose

With the COMPOSE_FILE we load two linked configurations in development mode.

COMPOSE_FILE=docker-compose.yml:docker-compose.dev.yml

Note: On Windows use ; as file separator instead of :

Main docker-compose.yml

The main configuration defines:

  • core services specs
  • variables used in all environments
  • networking

Development docker-compose.dev.yml

Dev configuration inherits and extends the main one and adds:

  • image build instructions
  • local mounted volumes
  • exposed ports to host machine
  • local container hotname (app.yadi.localhost)

Application environment

Custom application environment, feel free to adjust or remove if not used.

APP_ENV=development # development, staging, production

Node environment

Node env enables special code optimizations in production builds. Application environment such as staging normally will benefit of the code optimizations. Better not to be used as application environment.

NODE_ENV=development # development, production

Multi-stage build step

Target environment defines the end stage of the multi-stage build

You can read more about the different stages in the main README.md

TARGET_ENV=development # dependencies, development, builder, production

Combinations

APP_ENV NODE_ENV TARGET_ENV Notes
development development development Normal development flow
development production production Local production build
staging development development Not very useful, can help reach certain code conditions
staging production production Production build deployed on staging server
production production production We're live

Alternatives