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- #!/bin/bash
- set -Eeuo pipefail
- image="${1:-hello-world}"
- timeout 5s docker pull hello-world &> /dev/null || exit 0
- timeout 5s docker pull "$image" &> /dev/null || exit 0
- exec > "$(dirname "$(readlink -f "$BASH_SOURCE")")/content.md"
- echo '# Example output'
- echo
- echo '```console'
- echo '$ docker run %%IMAGE%%'
- docker run --rm hello-world
- echo
- echo '$ docker images %%IMAGE%%'
- docker images "$image" | awk -F' +' 'NR == 1 || $2 == "latest" { print $1"\t"$2"\t"$3"\t"$5 }' | column -t -s$'\t'
- echo '```'
- echo
- echo '%%LOGO%%'
- echo
- cat <<'EOF'
- # How is this image created?
- This image is a prime example of using the [`scratch`](https://hub.docker.com/_/scratch/) image effectively. See [`hello.c`](%%GITHUB-REPO%%/blob/master/hello.c) in %%GITHUB-REPO%% for the source code of the `hello` binary included in this image.
- EOF
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