publish-commit-image-to-dockerhub.sh

#!/bin/sh

environment=$1
imageName=$2
commit=$3
version=$4
versionPre=$5
# Examples:
#   sh publish-to-dockerhub.sh develop dopplerdock/doppler-webapp 94f85efb9c3689f409104ef7cde6813652ca59fb v12.34.5
#   sh publish-to-dockerhub.sh production dopplerdock/doppler-webapp 94f85efb9c3689f409104ef7cde6813652ca59fb v12.34.5 beta1
#   sh publish-to-dockerhub.sh demo dopplerdock/doppler-webapp 94f85efb9c3689f409104ef7cde6813652ca59fb v12.34.5 pr123

if [ -z "${environment}" ]
then
  echo "Missing environment (1st parameter)"
  exit 1
fi
if [ -z "${imageName}" ]
then
  echo "Missing imageName (2st parameter)"
  exit 1
fi
if [ -z "${commit}" ]
then
  echo "Missing commit (3nd parameter)"
  exit 1
fi
if [ -z "${version}" ]
then
  echo "Missing version (4th parameter)"
  exit 1
fi

# Stop script on NZEC
set -e
# Stop script if unbound variable found (use ${var:-} if intentional)
set -u

# Lines added to get the script running in the script path shell context
# reference: http://www.ostricher.com/2014/10/the-right-way-to-get-the-directory-of-a-bash-script/
cd "$(dirname "$0")"

# To avoid issues with MINGW y Git Bash, see:
# https://github.com/docker/toolbox/issues/673
# https://gist.github.com/borekb/cb1536a3685ca6fc0ad9a028e6a959e3
export MSYS_NO_PATHCONV=1
export MSYS2_ARG_CONV_EXCL="*"

versionBuild=${commit}
# Ugly code to deal with versions
# Input:
#   version=v12.34.5
#   versionBuild=94f85efb9c
#   versionPre=0pr
# Output:
#   preReleasePrefix= "pre-" | ""
#   versionMayor=v12
#   versionMayorMinor=v12.34
#   versionMayorMinorPatch=v12.34.5
#   versionMayorMinorPatchPre=v12.34.5-0pr
#   versionFull=v12.34.5-0pr+94f85efb9c
#   versionFullForTag=v12.34.5-0pr_94f85efb9c
# region Ugly code to deal with versions

versionFull=${version}

if [ -n "${versionPre}" ]
then
  versionFull=${versionFull}-${versionPre}
fi

if [ -n "${versionBuild}" ]
then
  versionFull=${versionFull}+${versionBuild}
fi

# https://semver.org/spec/v2.0.0.html#backusnaur-form-grammar-for-valid-semver-versions
# <valid semver> ::= <version core>
#                  | <version core> "-" <pre-release>
#                  | <version core> "+" <build>
#                  | <version core> "-" <pre-release> "+" <build>
#
# <version core> ::= <major> "." <minor> "." <patch>
versionBuild="$(echo "${versionFull}"+ | cut -d'+' -f2)"
versionMayorMinorPatchPre="$(echo "${versionFull}" | cut -d'+' -f1)" # v0.0.0-xxx (ignoring `+` if exists)
versionPre="$(echo "${versionMayorMinorPatchPre}"- | cut -d'-' -f2)"
versionMayorMinorPatch="$(echo "${versionMayorMinorPatchPre}" | cut -d'-' -f1)" # v0.0.0 (ignoring `-` if exists)
versionMayor="$(echo "${versionMayorMinorPatch}" | cut -d'.' -f1)" # v0
versionMinor="$(echo "${versionMayorMinorPatch}" | cut -d'.' -f2)"
versionMayorMinor=${versionMayor}.${versionMinor} # v0.0

if [ -z "${versionBuild}" ]
then
  versionFullForTag=${versionMayorMinorPatchPre}
else
  versionFullForTag=${versionMayorMinorPatchPre}_${versionBuild}
fi

if [ -n "${versionPre}" ]
then
  preReleasePrefix="pre-"
else
  preReleasePrefix=""
fi
# endregion Ugly code to deal with versions

docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}"
docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}-${versionMayor}"
docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinor}"
docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinorPatch}"
docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinorPatchPre}"
docker tag "local-doppler-webapp:${environment}-commit-${commit}" "${imageName}:${preReleasePrefix}${environment}-${versionFullForTag}"

docker push "${imageName}:${preReleasePrefix}${environment}"
docker push "${imageName}:${preReleasePrefix}${environment}-${versionMayor}"
docker push "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinor}"
docker push "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinorPatch}"
docker push "${imageName}:${preReleasePrefix}${environment}-${versionMayorMinorPatchPre}"
docker push "${imageName}:${preReleasePrefix}${environment}-${versionFullForTag}"