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I have this docker-compose config file:

version: '3.0'
services:
  devbox:
    build:
      context: ./
      dockerfile: DevBox.DockerFile
    volumes:
      - "./html:/usr/src/app"
    ports:
      - "80:80"
      - "443:443"
    
  devmysql:
    build:
      context: ./
      dockerfile: MySQLDev.DockerFile
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: 'secret'
    restart: always
    volumes:
            - "./mysql-data:/var/lib/mysql"
  phpmyadmin:
    image: phpmyadmin/phpmyadmin:5.0.1
    restart: always
    environment:
      PMA_HOST: dev-mysql
      PMA_USER: root
      PMA_PASSWORD: secret
    ports:
      - "5000:80"
volumes:
  mysql-data: {}
  html: {}

The problem is that the volume on the devbox is empty even if the html dir is not.

If I run:

docker run -d -v ./html:/usr/src/app testdocker_devbox

It works as expected.

I don’t see problem in my config file.

My DevBox.Dockerfile is:

FROM ubuntu:latest
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update -y
RUN apt-get upgrade -y
RUN apt-get install -y apache2 
RUN apt-get install -y php 
RUN apt-get install -y php-dev 
RUN apt-get install -y php-mysql 
RUN apt-get install -y libapache2-mod-php 
RUN apt-get install -y php-curl 
RUN apt-get install -y php-json 
RUN apt-get install -y php-common 
RUN apt-get install -y php-mbstring 
RUN apt-get install -y composer
RUN curl -s "https://packagecloud.io/install/repositories/phalcon/stable/script.deb.sh" | /bin/bash
RUN apt-get install -y software-properties-common
#RUN apt-get install -y php 7.2-phalcon
# COPY ./php.ini /etc/php/7.2/apache2/php.ini
# COPY ./slc.conf /etc/apache2/sites-available/slc.conf
# COPY ./apache2.conf /etc/apache2/apache2.conf
# RUN rm -rfv /etc/apache2/sites-enabled/*.conf
# RUN ln -s /etc/apache2/sites-available/slc.conf /etc/apache2/sites-enabled/slc.conf

CMD ["apachectl","-D","FOREGROUND"]
RUN a2enmod rewrite
EXPOSE 80
EXPOSE 443

3

Answers


  1. Chosen as BEST ANSWER

    I found out that the problem was with the application being on /tmp of my Mac. If I use a non /tmp path it works. This should be due to the fact that /tmp is a link to /private/tmp/


  2. You need to remove the volumes declaration at this end of your docker-compose.yml. This is used for named volume not for volumes mapped with host directory Docker Documentation.

    # remove this part then it should be fine
    volumes:
      mysql-data: {}
      html: {}
    
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  3. Change local path ./html in

    volumes:
      - "./html:/usr/src/app"
    

    to absolute path

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