build-images.sh

#!/bin/bash

#
# Copyright (C) 2022 Nethesis S.r.l.
# http://www.nethesis.it - nethserver@nethesis.it
#
# This script is part of NethServer.
#
# NethServer is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License,
# or any later version.
#
# NethServer is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with NethServer.  If not, see COPYING.
#

# Terminate on error
set -e

# Prepare variables for later use
images=()
# The image will be pushed to GitHub container registry
repobase="${REPOBASE:-ghcr.io/nethserver}"
# Configure the image name
reponame="dokuwiki"

# Create a new empty container image
container=$(buildah from scratch)

# Reuse existing nodebuilder-dokuwiki container, to speed up builds
if ! buildah containers --format "{{.ContainerName}}" | grep -q nodebuilder-dokuwiki; then
    echo "Pulling NodeJS runtime..."
    buildah from --name nodebuilder-dokuwiki -v "${PWD}:/usr/src:Z" docker.io/library/node:lts
fi

echo "Build static UI files with node..."
buildah run \
    --workingdir=/usr/src/ui \
    --env="NODE_OPTIONS=--openssl-legacy-provider" \
    nodebuilder-dokuwiki \
    sh -c "yarn install && yarn build"

# Add imageroot directory to the container image
buildah add "${container}" imageroot /imageroot
buildah add "${container}" ui/dist /ui
# Setup the entrypoint, ask to reserve one TCP port with the label and set a rootless container
buildah config --entrypoint=/ \
    --label="org.nethserver.tcp-ports-demand=1" \
    --label="org.nethserver.rootfull=0" \
    --label="org.nethserver.authorizations=traefik@any:routeadm cluster:accountconsumer" \
    --label="org.nethserver.images=docker.io/bitnami/dokuwiki:20240206-debian-12" \
    "${container}"
# Commit everything
buildah commit "${container}" "${repobase}/${reponame}"

images+=("${repobase}/${reponame}")

# Setup CI when pushing to Github. 
# Warning! docker::// protocol expects lowercase letters (,,)
if [[ -n "${CI}" ]]; then
    # Set output value for Github Actions
    printf "::set-output name=images::%s\n" "${images[*],,}"
else
    # Just print info for manual push
    printf "Publish the images with:\n\n"
    for image in "${images[@],,}"; do printf "  buildah push %s docker://%s:%s\n" "${image}" "${image}" "${IMAGETAG:-latest}" ; done
    printf "\n"
fi