docker-compose.yml

version: '3'

services:
  influxdb:
    image: influxdb
    container_name: influxdb
    restart: always
    ports:
      - 8086:8086
    volumes:
      - influxdb-volume:/var/lib/influxdb
  db:
    image: postgres:9.6
    ports:
      - 5432:5432
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      PGDATA: /var/lib/postgresql/data/pgdata
    restart: always
    volumes:
      - pgdata:/var/lib/postgresql/data
volumes:
  pgdata:
  influxdb-volume:
  

Dockerfile

FROM elixir:latest
MAINTAINER Josh Coffee
RUN apt-get update && apt-get install --yes postgresql-client nodejs inotify-tools
ADD . /app
RUN mix local.hex --force
RUN mix archive.install --force hex phx_new 1.4.16
WORKDIR /app
EXPOSE 4000