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I'm trying to access .env variables as part of my Docker build process in the Dockerfile, e.g.
.env
Dockerfile
in .env I have
AWS_ACCESS_KEY_ID=... AWS_SECRET_ACCESS_KEY=...
As per the documentation, I then expose them to the builder like so in deploy.yml:
deploy.yml
builder: cache: type: registry secrets: - AWS_ACCESS_KEY_ID - AWS_SECRET_ACCESS_KEY
but when I try to access them in the Dockerfile:
ARG AWS_ACCESS_KEY_ID ENV AWS_ACCESS_KEY_ID=${AWS_ACCESS_KEY_ID} ARG AWS_SECRET_ACCESS_KEY ENV AWS_SECRET_ACCESS_KEY=${AWS_SECRET_ACCESS_KEY} RUN aws s3 sync ....
They aren't accessible (in my case aws s3 sync breaks with fatal error: Unable to locate credentials).
aws s3 sync
fatal error: Unable to locate credentials
Anybody can point out how to access .env vars in Dockerfile?
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My bad, I'm new to Docker secrets, got it all working:
RUN --mount=type=secret,id=AWS_ACCESS_KEY_ID \ --mount=type=secret,id=AWS_SECRET_ACCESS_KEY \ AWS_ACCESS_KEY_ID=$(cat /run/secrets/AWS_ACCESS_KEY_ID) \ AWS_SECRET_ACCESS_KEY=$(cat /run/secrets/AWS_SECRET_ACCESS_KEY) \ aws s3 sync ....
lost some time as i also missed the mount part of the documentation. maybe it could be highlighted in the docs ;)