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| #!/bin/bash | |
| if [[ "$#" -ne 1 ]]; then | |
| echo "Usage: $0 filename" >&2 | |
| exit 1 | |
| fi | |
| if [[ ! -e "$1" ]]; then | |
| echo "$1 not found" >&2 | |
| exit 1 | |
| fi |
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| # non root user example for alpine | |
| # | |
| # usage: | |
| # $ docker build --build-arg "USER=someuser" --tag test . | |
| # $ docker run --rm test | |
| FROM alpine | |
| ARG USER=default | |
| ENV HOME /home/$USER |