docker-compose.yml

version: "2"

services:
  webapp:
    restart: always
    build:
      context: .
    ports:
      - 8000:8000
    volumes:
      - "./src:/src"
    environment:
      DEBUG: "true"
    command: gunicorn demo.wsgi:application -w 2 -b :8000

  staticfiles:
    restart: always
    build: ./nginx/
    ports:
      - "80:80"
    volumes:
      - "./src/static_files:/www/static"
    links:
      - webapp:webapp

  ### PostgreSQL Container (Master) ####################################

  master:
    restart: always
    build: ./master
    volumes:
      - master_vol:/var/lib/postgresql
    ports:
      - "5433:5434"
    environment:
      - DEBUG=false
      - DB_USER=postgres_user
      - DB_PASS=postgres_password
      - DB_NAME=postgres_dbname
      - DB_UNACCENT=false
      - REPLICATION_MODE=master
      - REPLICATION_USER=replicator
      - REPLICATION_PASS=replpassword
      - REPLICATION_SSLMODE=

  ### PostgreSQL Container (Slave) ####################################

  slave:
    restart: always
    build: ./slave
    volumes:
      - slave_vol:/var/lib/postgresql
    ports:
      - "5432"
    links:
      - master:master
    environment:
      - DEBUG=false
      - REPLICATION_MODE=slave
      - REPLICATION_HOST=master
      - REPLICATION_USER=replicator
      - REPLICATION_PASS=replpassword

  ### pgAdmin Container (Master) #######################################

  pgadmin:
    build: ./pgadmin
    ports:
      - "5051:5051"
    links:
      - master

### Volumes Setup ###########################################

volumes:
  master_vol:
    driver: "local"
  slave_vol:
    driver: "local"
  sessions: ## nothing is connected to this (- ./data/sessions:/sessions)
    driver: "local"