Workaround to docker run “--env-file” supplied file not being evaluated as expected

Question

My current setup for running a docker container is on the lines of this:

1. I\'ve got a main.env file:

# Main
export PRIVATE_IP=\\`echo          


        

Answer 1

What you can do is create a startup script that can be run when the container starts. So if your current docker file looks something like this

From ...
...
CMD command

Change it to

From ...
...
ADD start.sh start.sh
CMD ["start.sh"]

In your start.sh script do the following:

export PRIVATE_IP=\`echo localhost\`
export MONGODB_HOST="$PRIVATE_IP"
export MONGODB_URL="mongodb://$MONGODB_HOST:27017/development"
command