How do you reload environment file in a docker swarm service?

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I need to change an environment variable in my deployment (nothing else has changed). When I update my environment variables (just using export) and use docker stack deploy, the container environment is not updated. How do I make sure environment variables are updated in the container?

docker-swarm docker
1 Answers

Apparently using docker stack deploy should work to update the environment. My error was not having the environment variable defined in the docker-compose.yml file.

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