73 lines
2.3 KiB
Bash
Executable File
73 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Build a multi-arch (linux/amd64, linux/arm64) image and push it to a registry.
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#
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# Required:
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# MESHBOT_IMAGE Full image reference, e.g. registry.example.com/team/meshbot
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#
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# Optional:
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# PLATFORMS Comma-separated arch list (default: linux/amd64,linux/arm64)
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# EXTRA_TAGS Space-separated additional tags to push (e.g. "stable v0.1.0")
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# PUSH "1" (default) to push, "0" to build and load locally only
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# (note: --load only works with a single platform)
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# BUILDER buildx builder name (default: meshbot-builder, auto-created)
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set -euo pipefail
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if [[ -z "${MESHBOT_IMAGE:-}" ]]; then
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echo "error: MESHBOT_IMAGE is required (e.g. registry.example.com/team/meshbot)" >&2
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exit 1
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fi
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PLATFORMS="${PLATFORMS:-linux/amd64,linux/arm64}"
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PUSH="${PUSH:-1}"
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BUILDER="${BUILDER:-meshbot-builder}"
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cd "$(dirname "$0")/.."
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# Compute git-derived tags. Fall back to "dev" if not in a git tree.
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if git rev-parse --is-inside-work-tree >/dev/null 2>&1; then
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GIT_SHA="$(git rev-parse --short=12 HEAD)"
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if [[ -n "$(git status --porcelain)" ]]; then
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GIT_SHA="${GIT_SHA}-dirty"
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fi
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else
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GIT_SHA="dev"
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fi
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TAGS=(--tag "${MESHBOT_IMAGE}:latest" --tag "${MESHBOT_IMAGE}:${GIT_SHA}")
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for t in ${EXTRA_TAGS:-}; do
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TAGS+=(--tag "${MESHBOT_IMAGE}:${t}")
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done
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# Make sure a buildx builder exists. Reuse if it's already there.
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if ! docker buildx inspect "${BUILDER}" >/dev/null 2>&1; then
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echo ">>> creating buildx builder '${BUILDER}'"
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docker buildx create --name "${BUILDER}" --driver docker-container --use >/dev/null
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else
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docker buildx use "${BUILDER}" >/dev/null
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fi
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docker buildx inspect --bootstrap >/dev/null
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OUTPUT_FLAG=()
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if [[ "${PUSH}" == "1" ]]; then
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OUTPUT_FLAG=(--push)
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echo ">>> building & pushing ${MESHBOT_IMAGE} (${PLATFORMS}) tags: latest, ${GIT_SHA}${EXTRA_TAGS:+, $EXTRA_TAGS}"
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else
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# --load only works with a single platform; warn if user requested multi.
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if [[ "${PLATFORMS}" == *,* ]]; then
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echo "error: PUSH=0 (local --load) only works with a single platform; got '${PLATFORMS}'" >&2
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exit 1
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fi
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OUTPUT_FLAG=(--load)
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echo ">>> building ${MESHBOT_IMAGE} for ${PLATFORMS} (local load, no push)"
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fi
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docker buildx build \
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--platform "${PLATFORMS}" \
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"${TAGS[@]}" \
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"${OUTPUT_FLAG[@]}" \
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--file Dockerfile \
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.
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echo ">>> done"
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