168-hours

Docker

• In production, this application will run in a Docker container on a virtual machine

Why Use Docker

• I want to get experience using NextJS within a Docker container rather than running it serverless
• I want to understand the performance implications of running NextJS in a Docker container
• I want to reduce reliance on Vercel from their hosting services
• I want to minimise costs running multiple applications that get low traffic on a VPS within Docker

Docker Implementation

Environment variables

• Setting environment variables can be tricky (code snippet below from the docker-compose.yaml file)
• Check env vars of a container - docker exec env

services:
  nodeapp4:
    image: jarrodlilkendey/168-hours-nextjs-docker:latest
    networks:
      - mynetwork
    env_file:
      - path: ./168hours/.env.production.local
        required: true