106 lines
3.2 KiB
Bash
106 lines
3.2 KiB
Bash
#!/bin/bash
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# ---------------------------------------------------------------------------
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# build.sh – Build and push Docker images
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#
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# Usage:
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# ./build.sh [OPTIONS]
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#
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# Options:
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# -s, --snapshot Version from git ref for prototyping
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# -r, --release Version from .env for releases
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# -v, --version VERSION Custom version
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# -p, --push Push images after build
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# -o, --only SERVICE Only build this service (repeatable)
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# -h, --help Show this help
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#
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# Examples:
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# ./build.sh -r -p
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# ./build.sh -s -o frontend
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# ./build.sh -v dev -o backend -o frontend
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# ---------------------------------------------------------------------------
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# -e: Exit immediately if any command returns a non-zero exit code
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# -u: Treat unset variables as errors
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# -o pipefail: Make pipelines fail if any command in the pipe fails, not just the last one
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set -euo pipefail
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#cd to script dir
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pushd "$(dirname "${BASH_SOURCE[0]}")" > /dev/null
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SCRIPT_DIR="$(pwd)"
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source "${SCRIPT_DIR}/build.env"
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# read from .env:
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# REGISTRY, IMAGE_NAME, IMAGE_VERSION, SNAPSHOT_TAG
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# SERVICES (subfolder name = image suffix)
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popd > /dev/null
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#default: build snapshot
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VERSION="${IMAGE_VERSION}-${SNAPSHOT_TAG}" # read from .env
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PUSH=false
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ONLY=()
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usage() {
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sed -n '/^# Usage:/,/^# ---/p' "$0" | sed 's/^# //' | sed 's/^#//'
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exit 0
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}
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# --- parse arguments -------------------------------------------------------
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while [[ $# -gt 0 ]]; do
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case $1 in
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-s|--snapshot) VERSION="${IMAGE_VERSION}-SNAPSHOT$(git rev-parse --short HEAD 2>/dev/null || echo "local")"; shift ;;
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-r|--release) VERSION="${IMAGE_VERSION}"; shift ;;
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-v|--version) VERSION="$2"; shift 2 ;;
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-p|--push) PUSH=true; shift ;;
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-o|--only) ONLY+=("$2"); shift 2 ;;
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-h|--help) usage ;;
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*) echo "Unknown option: $1" >&2; exit 1 ;;
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esac
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done
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# if --only was given, filter SERVICES down to those entries
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if [[ ${#ONLY[@]} -gt 0 ]]; then
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SERVICES=("${ONLY[@]}")
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fi
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echo "============================================"
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echo " Docker Build - ${IMAGE_NAME}"
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echo ""
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echo " Services : ${SERVICES[*]}"
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echo " Version : ${VERSION}"
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echo " Registry : ${REGISTRY}"
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echo " Push : ${PUSH}"
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echo "============================================"
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# --- build ------------------------------------------------------------------
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for SERVICE in "${SERVICES[@]}"; do
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IMAGE="${REGISTRY}/${IMAGE_NAME}-${SERVICE}:${VERSION}"
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echo ""
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echo ">>> Building ${SERVICE}: ${IMAGE}"
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docker buildx build \
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--platform ${platform} \
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-t "${IMAGE}" \
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$($PUSH && echo "--push" || echo "") \
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"${SCRIPT_DIR}/${SERVICE}"
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echo " ${SERVICE} built successfully."
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done
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# --- push -------------------------------------------------------------------
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if $PUSH; then
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docker login "${REGISTRY}" # read from .env
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for SERVICE in "${SERVICES[@]}"; do
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IMAGE="${REGISTRY}/${IMAGE_NAME}-${SERVICE}:${VERSION}"
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echo ""
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echo ">>> Pushing ${IMAGE}"
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docker push "${IMAGE}"
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done
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echo ""
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echo "Images pushed successfully."
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fi
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echo ""
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echo "Done."
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for SERVICE in "${SERVICES[@]}"; do
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echo " ${SERVICE} → ${REGISTRY}/${IMAGE_NAME}-${SERVICE}:${VERSION}"
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done |