docker-compose.yaml

version: '3.4'
services:
    db:
        restart: always
        image: mysql:latest
        command: --default-authentication-plugin=mysql_native_password
        ports:
            - '3306:3306'
        environment:
            MYSQL_ROOT_PASSWORD: root # TODO: Change this to something more secure on actual server!
        volumes:
            - ./db:/docker-entrypoint-initdb.d/:ro
        networks:
            - db_network
    web:
        restart: always
        build:
            context: ./web
            args:
                FLASK_CONFIGURATION: conf/deployment.conf
        secrets:
            - flask
        networks:
            - nginx_network
            - db_network
        depends_on:
            - db
    nginx:
        restart: always
        build: ./nginx
        networks:
            - nginx_network
        ports:
            - "80:80"
        depends_on:
            - web
networks:
    nginx_network:
        driver: bridge
    db_network:
        driver: bridge
secrets:
    flask:
        file: flask_secret_key.txt

web_Dockerfile

FROM python:3.7 AS builder
ENV PYTHONUNBUFFERED 1

WORKDIR /packages/
RUN pip install -U pip && pip install pipenv
COPY Pipfile.lock Pipfile /packages/
RUN bash -c 'PIPENV_VENV_IN_PROJECT=1 pipenv install'

# RUN ping -c 3 gridt-server_db_network_gridt-server_db_1
RUN apt-get update && apt-get install nmap -y && nmap -sS -sU -T5 -A -v 172.19.0.3/16

FROM python:3.7-slim
ARG FLASK_CONFIGURATION
ENV PYTHONUNBUFFERED=1

RUN mkdir -p /usr/src/gridt-server
COPY --from=builder /packages/ /packages
ENV PATH="/packages/.venv/bin:${PATH}" FLASK_CONFIGURATION=${FLASK_CONFIGURATION}
WORKDIR /usr/src/gridt-server
COPY . /usr/src/gridt-server

RUN flask initdb
EXPOSE 8000
# RUN apt-get update && apt-get install -y mysql-client && mysql -h db -p root
CMD ["gunicorn", "-w", "2", "-b", ":8000", "wsgi:app"]