https://docs.docker.com/compose/environment-variables/envvars-precedence/ The order of precedence (highest to lowest) is as follows: Set usingdocker compose run -ein the CLI Substituted from yourshell Set using
直接在docker-compose.yml中定义:如上例所示,可以通过键值对的方式在environment下设置环境变量。 使用.env 文件:Docker Compose 会自动读取名为.env的文件,其中的变量可被用于docker-compose.yml文件中。例如,.env 文件如下: MY_ENV_VAR=some_value ANOTHER_VAR=another_value 1. 2. 然后在docker-compose.yml中...
从前面的部分中我们可以看到,docker compose 提供了足够的灵活性来让我们设置 docker-compose.yml 文件中引用的环境变量,它们的优先级如下: Compose file Shell environment variables Environment file Dockerfile Variable is not defined 首先,在 docker-compose.yml 文件中直接设置的值优先级是最高的。 然后是在当前...
原来compose 把 env_file 的设置翻译成了 environment! .env 文件 当我们在 docker-compose.yml 文件中引用了大量的环境变量时,对每个环境变量都设置默认值将是繁琐的,并且也会影响 docker-compose.yml 简洁程度。此时我们可以通过 .env 文件来为 docker-compose.yml 文件引用的所有环境变量设置默认值! 修改docker-...
Home/Manuals/Docker Compose/How-tos/Use environment variables/Set environment variables Page options A container's environment is not set until there's an explicit entry in the service configuration to make this happen. With Compose, there are two ways you can set environment variables in your co...
Home/Manuals/Docker Compose/How-tos/Use environment variables/Set environment variables A container's environment is not set until there's an explicit entry in the service configuration to make this happen. With Compose, there are two ways you can set environment variables in your containers with...
docker-compose.yml 文件 其中有environment参数用来配置环境变量,${REDIS_PASSWORD}变量需要在docker-compose.yml同目录下的.env文件中设置从而传参 v、、ersion: "3.8"services:flask: build: context: ./flask dockerfile: Dockerfile image: flask-demo:latest environment: - REDIS_HOST=redis-server - REDIS_...
docker-compose.yml 文件中使用环境变量,则必须将它们放入名为 .env 的文件中,如下所述:https://docs.docker.com/compose/environment-variables/#the-环境文件 您可以使用 env_file 配置选项来使用具有变量定义的任何文件,如下所述:https://docs.docker.com/compose/environment-variables/set-environment-variables...
Description of the issue When using docker-compose up or docker-compose run -e ENVIRONMENT_VAR=value, environment variables are not being applied either through the -e command line parameters or from the docker-compose.yml file. The dock...
web-variables.env 文件中可以定义一个或多个环境变量: # define web container env APPNAME=helloworld AUTHOR=Nick Li VERSION=1.0 检查下结果: 原来compose 把 env_file 的设置翻译成了 environment! .env 文件 当我们在 docker-compose.yml 文件中引用了大量的环境变量时,对每个环境变量都设置默认值将是繁琐的...