docker-compose-registry-step-3.yaml

# add a nginx reverse proxy.
# it  will forward all traffic on port 80 for the /v2/ to the registry listining on port 5000 

version: '3.2'

services:
  nginx:
    build:
      context: nginx/step3/
      dockerfile: Dockerfile
    ports:
     - target: 80
       published: 80
       protocol: tcp
       mode: host
    restart: "on-failure:5"
    depends_on: # not compatible in swarm mode
     - registry  
  registry:
    restart: always
    image: registry:2
    environment:
       REGISTRY_STORAGE_DELETE_ENABLED: 'true'
    volumes:
     - type: bind
       source: ./datastore/first-db-path
       target: /var/lib/registry