bokysan/docker-postfix
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Support alpine versions (#20)

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* Support multiple alpine versions in Dockerfile

Add an ARG to the Dockerfile to support passing in build-args when
running docker build to support different alpine base image versions.

* Create push.sh script for managing image updates

The push.sh script supports passing multiple alpine tags which will then
be built, tagged, and pushed to docker hub
This commit is contained in:
Matthew Critchlow 2020-01-31 12:01:29 -08:00 • committed by GitHub
parent 0f4bd837d0
commit 0feeccbfc3
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2 changed files with 22 additions and 1 deletions
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3
Dockerfile
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@ -1,4 +1,5 @@
FROM alpine:latest
ARG ALPINE_VERSION=latest
FROM alpine:${ALPINE_VERSION}
LABEL maintaner="Bojan Cekrlic - https://github.com/bokysan/docker-postfix/"
# See README.md for details

20
push.sh Executable file
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@ -0,0 +1,20 @@
#!/usr/bin/env sh
if [ $# -eq 0 ]; then
echo "No alpine build versions supplied"
echo "example usage: ./push.sh latest 3.10 3.9"
exit 1
fi
# Authenticate to push images
docker login
# build, tag, and push alpine versions supplied as script arguments
base_repo=boky/postfix
for alpine_version in "$@"
do
docker build -t "$base_repo":"$alpine_version" --build-arg=ALPINE_VERSION="$alpine_version" .
docker push "$base_repo":"$alpine_version"
done