Answers for "docker set env variable when building"

1

pass environement variables docker

sudo docker run -d -t -i -e REDIS_NAMESPACE='staging'  
-e POSTGRES_ENV_POSTGRES_PASSWORD='foo' 
-e POSTGRES_ENV_POSTGRES_USER='bar' 
-e POSTGRES_ENV_DB_NAME='mysite_staging' 
-e POSTGRES_PORT_5432_TCP_ADDR='docker-db-1.hidden.us-east-1.rds.amazonaws.com' 
-e SITE_URL='staging.mysite.com' 
-p 80:80 
--link redis:redis   
--name container_name dockerhub_id/image_name
Posted by: Guest on March-12-2021
2

dockerfile env variabes

FROM busybox
ENV foo /bar
WORKDIR ${foo}   # WORKDIR /bar
ADD . $foo       # ADD . /bar
COPY $foo /quux # COPY $foo /quux
Posted by: Guest on April-20-2020

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