docker:git克隆结果不在本地卷中，args未扩展

我正试图通过Docker站起来。我可以手动让它工作，但我正在尝试改进它（使它在CI/CD环境中更可用），同时遵循最佳实践（例如：单一责任映像等）

TLDR:

如何将git repo可靠地克隆到本地共享卷中

如何从.env文件签出特定的git标记

问题：

将git克隆到映射到本地卷的路径会导致本地路径中没有数据/文件

• 我发现有文章提到，在构建过程的早期映射一个空卷会导致路径为空（但我认为这并不直接适用于这里）

docker compose config将显示

TAO\u code\u标记的正确值

，但在签出期间失败（视为空）

• 我知道，根据它在dockerfile中的调用方式，变量的shell扩展可能不会发生。但是，我已经看到了使用

  runecho$var

  的工作示例

/.env

PHP_VERSION=7.0
MYSQL_VERSION=5.7
APACHE_VERSION=2.4.32
TAO_CODE_TAG=v3.2-rc02
DB_ROOT_PWD=password ;-)

/docker compose.yml

version: "3.2"

services:
  git:
    build:
      context: './git/'
      args:
        TAO_CODE_TAG: ${TAO_CODE_TAG:?err}
    volumes:
      - ./tao-src/:/build
    container_name: git

  composer:
    image: composer/composer:php7  #  Would be nice to use tag from .env for php version
    command: install
    depends_on:
      - git
    volumes:
      - ./tao-src/:/app
    container_name: composer

  php:
    build:
      context: './php/'
      args:
        PHP_VERSION: ${PHP_VERSION:?err}
    depends_on:
      - composer
    networks:
      - backend
    ports:
      - 9000:9000
    volumes:
      - ./tao-src/:/var/www/html/
    container_name: php

  apache:
    build:
      context: './apache/'
      args:
        APACHE_VERSION: ${APACHE_VERSION:?err}
    depends_on:
      - git
      - php
      - mysql
    networks:
      - frontend
      - backend
    ports:
      - 80:80
    volumes:
      - ./tao-src/:/var/www/html/
    container_name: apache

  mysql:
    image: mysql:${MYSQL_VERSION:-latest}
    networks:
      - backend
    ports:
      - 3306:3306
    environment:
      - MYSQL_ROOT_PASSWORD=${DB_ROOT_PWD:?err}
    container_name: mysql

networks:
  frontend:
  backend:

version: "3.2"

services:
  php:
    build:
      context: './php/'
      args:
        PHP_VERSION: ${PHP_VERSION:?err}
        TAO_CODE_TAG: ${TAO_CODE_TAG:?err} # <-- IMPORTANT

/apache/Dockerfile

ARG APACHE_VERSION=""
FROM httpd:${APACHE_VERSION:+${APACHE_VERSION}-}alpine

# Copy apache vhost file to proxy php requests to php-fpm container
COPY demo.apache.conf /usr/local/apache2/conf/demo.apache.conf
RUN echo "Include /usr/local/apache2/conf/demo.apache.conf" \
    >> /usr/local/apache2/conf/httpd.conf

ARG TAO_CODE_TAG
FROM alpine/git:1.0.4
RUN apk add git \
    && mkdir /build \
    && git clone https://github.com/oat-sa/package-tao /build \
    && cd /build \
    && git checkout tags/v3.2-rc02 # Should use val from .env!
VOLUME ["/build"] # Last in file so as to not "disappear" during build

ARG PHP_VERSION=""
FROM php:${PHP_VERSION:+${PHP_VERSION}-}fpm-alpine

# One run/layer as needed/able per recommendation in docs
# https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#run
RUN apk update \
    # TAO requires zip support
    && apk add libzip-dev zip \
    && docker-php-ext-configure zip --with-libzip \
    && docker-php-ext-install zip \
    # TAO requires pdo_mysql support
    && docker-php-ext-install pdo_mysql \
    # TAO recommends opcache
    && docker-php-ext-install opcache \
    && docker-php-ext-configure opcache --enable-opcache \
    # Ensure a php.ini is present
    && mv $PHP_INI_DIR/php.ini-development $PHP_INI_DIR/php.ini;

FROM composer/composer as Composed
ARG TAO_CODE_TAG # <-- IMPORTANT
RUN mkdir /build && cd /build
WORKDIR /build
ADD https://cdn.jsdelivr.net/gh/oat-sa/package-tao@${TAO_CODE_TAG}/composer.json /build/composer.json # <-- IMPORTANT
RUN composer install --ignore-platform-reqs --no-scripts --no-suggest --no-dev

# ...continues

# continued...

ARG PHP_VERSION
FROM php:${PHP_VERSION:+${PHP_VERSION}-}fpm-alpine

RUN apk update \
    # ...etc.

# Gather composed packages from stage above
COPY --from=Composed /build /var/www/html/

# ...etc

/apache/demo.apache.conf

ServerName localhost

LoadModule rewrite_module /usr/local/apache2/modules/mod_rewrite.so
LoadModule deflate_module /usr/local/apache2/modules/mod_deflate.so
LoadModule proxy_module /usr/local/apache2/modules/mod_proxy.so
LoadModule proxy_fcgi_module /usr/local/apache2/modules/mod_proxy_fcgi.so

<VirtualHost *:80>
    # Proxy .php requests to port 9000 of the php-fpm container
    ProxyPassMatch ^/(.*\.php(/.*)?)$ fcgi://php:9000/var/www/html/$1
    DocumentRoot /var/www/html/
    <Directory /var/www/html/>
        DirectoryIndex index.php
        Options Indexes FollowSymLinks
        AllowOverride All
        Require all granted
    </Directory>

    # Send apache logs to stdout and stderr
    CustomLog /proc/self/fd/1 common
    ErrorLog /proc/self/fd/2
</VirtualHost>

/php/Dockerfile

ARG APACHE_VERSION=""
FROM httpd:${APACHE_VERSION:+${APACHE_VERSION}-}alpine

# Copy apache vhost file to proxy php requests to php-fpm container
COPY demo.apache.conf /usr/local/apache2/conf/demo.apache.conf
RUN echo "Include /usr/local/apache2/conf/demo.apache.conf" \
    >> /usr/local/apache2/conf/httpd.conf

ARG TAO_CODE_TAG
FROM alpine/git:1.0.4
RUN apk add git \
    && mkdir /build \
    && git clone https://github.com/oat-sa/package-tao /build \
    && cd /build \
    && git checkout tags/v3.2-rc02 # Should use val from .env!
VOLUME ["/build"] # Last in file so as to not "disappear" during build

ARG PHP_VERSION=""
FROM php:${PHP_VERSION:+${PHP_VERSION}-}fpm-alpine

# One run/layer as needed/able per recommendation in docs
# https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#run
RUN apk update \
    # TAO requires zip support
    && apk add libzip-dev zip \
    && docker-php-ext-configure zip --with-libzip \
    && docker-php-ext-install zip \
    # TAO requires pdo_mysql support
    && docker-php-ext-install pdo_mysql \
    # TAO recommends opcache
    && docker-php-ext-install opcache \
    && docker-php-ext-configure opcache --enable-opcache \
    # Ensure a php.ini is present
    && mv $PHP_INI_DIR/php.ini-development $PHP_INI_DIR/php.ini;

FROM composer/composer as Composed
ARG TAO_CODE_TAG # <-- IMPORTANT
RUN mkdir /build && cd /build
WORKDIR /build
ADD https://cdn.jsdelivr.net/gh/oat-sa/package-tao@${TAO_CODE_TAG}/composer.json /build/composer.json # <-- IMPORTANT
RUN composer install --ignore-platform-reqs --no-scripts --no-suggest --no-dev

# ...continues

# continued...

ARG PHP_VERSION
FROM php:${PHP_VERSION:+${PHP_VERSION}-}fpm-alpine

RUN apk update \
    # ...etc.

# Gather composed packages from stage above
COPY --from=Composed /build /var/www/html/

# ...etc

---

PS:最终，诸如使用秘密服务器获取安全凭据等，以及使用带有

.env

文件的自动证书等，也将实现。

我现在可以进入web安装页面。所以，对于任何感兴趣的人

#1-源/克隆问题 我意识到我所需要的只是和文件，我可以在

ADD

中通过抓取，然后在php和apache

/var/www/html

文件夹中对新文件进行递归chown/chmod

注意：这并不能真正解决通常从github获取源代码的问题，但足以满足我对这个特定代码库/项目的实际/即时需求

#2-标签问题 我通过……解决了标签问题

docker compose.yml

version: "3.2"

services:
  git:
    build:
      context: './git/'
      args:
        TAO_CODE_TAG: ${TAO_CODE_TAG:?err}
    volumes:
      - ./tao-src/:/build
    container_name: git

  composer:
    image: composer/composer:php7  #  Would be nice to use tag from .env for php version
    command: install
    depends_on:
      - git
    volumes:
      - ./tao-src/:/app
    container_name: composer

  php:
    build:
      context: './php/'
      args:
        PHP_VERSION: ${PHP_VERSION:?err}
    depends_on:
      - composer
    networks:
      - backend
    ports:
      - 9000:9000
    volumes:
      - ./tao-src/:/var/www/html/
    container_name: php

  apache:
    build:
      context: './apache/'
      args:
        APACHE_VERSION: ${APACHE_VERSION:?err}
    depends_on:
      - git
      - php
      - mysql
    networks:
      - frontend
      - backend
    ports:
      - 80:80
    volumes:
      - ./tao-src/:/var/www/html/
    container_name: apache

  mysql:
    image: mysql:${MYSQL_VERSION:-latest}
    networks:
      - backend
    ports:
      - 3306:3306
    environment:
      - MYSQL_ROOT_PASSWORD=${DB_ROOT_PWD:?err}
    container_name: mysql

networks:
  frontend:
  backend:

version: "3.2"

services:
  php:
    build:
      context: './php/'
      args:
        PHP_VERSION: ${PHP_VERSION:?err}
        TAO_CODE_TAG: ${TAO_CODE_TAG:?err} # <-- IMPORTANT

不幸的是，php和apache实例都重复了这一点（需要将代码烘焙到这两个实例中）。我仍在研究一种创建共享源代码资源的方法，该资源可以通过共享（很可能）访问和映射