Docker - Django

docker-compose.yml

services:
  db:
    image: postgres
    volumes:
      - db-data:/var/lib/postgresql/data
    ports:
      - '${FORWARD_DB_PORT:-5432}:5432'
    environment:
      PGPASSWORD: '${DB_PASSWORD:-secret}'
      POSTGRES_DB: '${DB_DATABASE:-heineken_arqueo}'
      POSTGRES_USER: '${DB_USERNAME:-heineken}'
      POSTGRES_PASSWORD: '${DB_PASSWORD:-heineken}'
    healthcheck:
        test: ["CMD", "pg_isready", "-q", "-d", "${DB_DATABASE}", "-U", "${DB_USERNAME}"]
        retries: 3
        timeout: 5s
  web:
    build: .
    command: python manage.py runserver 0.0.0.0:8000 --settings=cervecentro.settings
    volumes:
      - .:/code
    ports:
      - '${APP_PORT:-8000}:8000'
    environment:
      DJANGO_SETTINGS_MODULE: 'cervecentro.settings'
      POSTGRES_NAME: '${DB_DATABASE:-heineken_arqueo}'
      POSTGRES_USER: '${DB_USERNAME:-heineken}'
      POSTGRES_PASSWORD: '${DB_PASSWORD:-heineken}'
      POSTGRES_HOST: db
    env_file:
      - ./.env.dev
    depends_on:
      - db

# Storage
volumes:
  db-data:

Dockerfile

# syntax=docker/dockerfile:1
FROM python:3.7-slim
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

WORKDIR /code

RUN echo $TZ > /etc/timezone && \
    apt-get install -y tzdata && \
    rm /etc/localtime && \
    ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && \
    dpkg-reconfigure -f noninteractive tzdata && \
    apt-get clean

# Install GDAL dependencies
RUN apt-get update && apt-get install -y libgdal-dev locales python3-dev g++

# Ensure locales configured correctly
RUN locale-gen en_US.UTF-8
ENV LC_ALL='en_US.utf8'
ENV LANG='en_US.utf8'
RUN locale-gen en_US.UTF-8

RUN echo "es_ES.UTF-8 UTF-8" | tee -a /etc/locale.gen; locale-gen es_ES.utf8
RUN locale-gen es_ES.UTF-8

# Update C env vars so compiler can find gdal
ENV CPLUS_INCLUDE_PATH=/usr/include/gdal
ENV C_INCLUDE_PATH=/usr/include/gdal

RUN apt-get update \
    && apt-get -y install libpq-dev gcc \
    libffi-dev libxml2-dev libxslt1-dev \
    libtiff-dev libjpeg-dev zlib1g-dev libfreetype6-dev
RUN pip install --upgrade pip
COPY ./requirements.txt .