I am trying to setup Docker for my application relying on an LEMP stack. To this end, I plan to use Docker compose in order to spawn one container for Nginx, one for PHP-FPM and one for MySQL.
This is all working well for the basic illustration use-cases found in the online tutorials, but when I try to apply it to my use-case, I struggle with a design issue.
To give a bit of context, my web application relies on Composer for PHP dependencies and Gulp+Bower for CSS/JS dependencies (and LESS compilation, assets minimization, etc.).
The problem is that I need to build the application (i.e. install all dependencies and run some gulp tasks) and provide the result of this build to both Nginx and PHP-FPM containers.
Here is what I have come to so far:
docker-compose.yml:
version: "3"
networks:
database:
server:
volumes:
mysql-data:
source:
services:
php:
build: .
volumes:
- source:/app:ro
restart: always
networks:
- database
- server
depends_on:
- mysql
mysql:
image: mysql:5.7
volumes:
- mysql-data:/var/lib/mysql
restart: always
networks:
- database
environment:
MYSQL_ROOT_PASSWORD: rootpassword
MYSQL_USER: test
MYSQL_PASSWORD: test
MYSQL_DATABASE: test
nginx:
image: nginx
volumes:
- source:/app:ro
restart: always
networks:
- server
depends_on:
- php
Dockerfile:
FROM php:7.1-fpm
WORKDIR /app
# Install dependencies
RUN curl -sL https://deb.nodesource.com/setup_8.x | bash -
RUN apt-get update && apt-get install -y \
git \
nodejs \
zip
RUN curl -sL https://getcomposer.org/installer | php -- --install-dir /usr/bin --filename composer
# Get application dependencies
COPY composer.json ./
RUN composer install -o
COPY package.json gulpfile.js bower.json ./
RUN npm install
RUN npm run gulp
RUN npm run rev
# Copy application
COPY . ./
However, as a Docker beginner, I am not sure it is right to rely on a volume for the build result of the application, or to have the build steps part of one of the containers running the application.
Thanks in advance for any help or advice!
Nicolas
