Pass argument to docker compose

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In docker-compose, arguments are available and usefull only in dockerfile. You can specify what you are doing in the level ahead like following:

#dockerfile
ARG PORT
ENV SERVER_URL "https://0.0.0.0:$PORT"

Your port can be set in your docker-compose.yml:

build:
  context: .
  args:
    - PORT=443

It is actually an environment variable in any case. You can pass it through your run command if that fits to you:

PORT=443 docker-compose run <service>
#or
docker-compose run <service> -e PORT=443

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