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仅使用docker-compose up命令设置Docker容器

[英]Setup a Docker container with only the docker-compose up command

我有一个评估,我必须使用CakePHP创建一个Docker容器。 我已经有了一个带有CakePHP的Docker容器,我为我的容器运行以下命令:

docker-compose build

docker-compose run cakephp composer install --no-interaction

docker-compose run cakephp bin/cake migrations migrate

docker-compose run cakephp bin/cake migrations seed

docker-compose up

目标是将进程减少到仅运行单个命令docker-compose以便能够开始测试容器。 我对Docker和CakePHP都很陌生,所以我不知道该怎么做。

任何帮助是极大的赞赏!

Dockerfile

#start with our base image (the foundation) - version 7.1.29
FROM php:7.1.29-apache

#install all the system dependencies and enable PHP modules 
RUN apt-get update && apt-get install -y \  
      gcc \
      make \
      autoconf \
      libc-dev \
      pkg-config \
      libicu-dev \
      libpq-dev \
      libmcrypt-dev \
      mysql-client \
      git \
      zip \
      unzip \
    && rm -r /var/lib/apt/lists/* \
    && docker-php-ext-configure pdo_mysql --with-pdo-mysql=mysqlnd \
    && docker-php-ext-install \
      intl \
      mbstring \
      mcrypt \
      pcntl \
      pdo_mysql \
      pdo_pgsql \
      pgsql \
      opcache

RUN set -eux; apt-get update; apt-get install -y libzip-dev zlib1g-dev; docker-php-ext-install zip

#install composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/bin/ --filename=composer

ENV COMPOSER_ALLOW_SUPERUSER=1

#set our application folder as an environment variable
ENV APP_HOME /var/www/html

#change uid and gid of apache to docker user uid/gid
RUN usermod -u 1000 www-data && groupmod -g 1000 www-data

#change the web_root to laravel /var/www/html/public folder
RUN sed -i -e "s/html/html\/webroot/g" /etc/apache2/sites-enabled/000-default.conf

# enable apache module rewrite
RUN a2enmod rewrite && \
        echo "ServerName localhost" >> /etc/apache2/apache2.conf

#copy source files and run composer
COPY . $APP_HOME

# install all PHP dependencies
RUN composer install --no-interaction

#change ownership of our applications
RUN chown -R www-data:www-data $APP_HOME

泊坞窗,compose.yml

version: '2'
services:
  cakephp:
    build: .
    depends_on:
      - mysql
    links:
      - "mysql"
    ports:
      - "4000:80"  
    volumes:
      - .:/var/www/html/
    environment:
      - SECURITY_SALT= *some salt here*  
      - MYSQL_URL=mysql
      - MYSQL_USERNAME=root
      - MYSQL_PASSWORD=root
  mysql:
    image: mysql:5.6
    volumes:
      - mysql-data:/var/lib/mysql
    environment:      
      - MYSQL_DATABASE=cakephp
      - MYSQL_ROOT_PASSWORD=root
volumes:
  mysql-data:

选项1

在处理Docker和Docker Compose时,我通常使用Makefile来减少命令。

所以,在你的情况下,你可以这样写:

Makefile文件

SUDO := $(shell groups | grep -q docker || echo sudo)

.PHONY: start

start:
    $(SUDO) docker-compose build \
    && $(SUDO) docker-compose run cakephp composer install --no-interaction \
    && $(SUDO) docker-compose run cakephp bin/cake migrations migrate \
    && $(SUDO) docker-compose run cakephp bin/cake migrations seed \
    && $(SUDO) docker-compose up

您只需将此文件放在项目文件夹中并运行make start

$(SUDO)部分确保即使对于不在docker组中的用户也可以轻松运行。)

选项2

要真正运行docker-compose up (可能带有--build标志),你必须编写一个你将COPY到Docker镜像中的小脚本(你已经用COPY . $APP_HOME做了COPY . $APP_HOME - 前提是你放了这个您的Docker构建上下文指向的脚本),然后将其用作ENTRYPOINT

这样的事情对你有用。

entrypoint.sh:

#!/bin/sh
set -e

cakephp composer install --no-interaction
cakephp bin/cake migrations migrate
cakephp bin/cake migrations seed

exec "$@"

在你的Dockerfile中,你必须放入ENTRYPOINT ["/bin/sh", "entrypoint.sh"]

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