doxa-maps/deployment/cloud/build-cdn.sh
Doxa Maps 18a9e6bc7d
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2026-09-27 21:51:58 +00:00

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#!/bin/bash
# build-cdn.sh — one production build of the pulled commit into /data/cdn, one at a time.
# snapshot (so the pull loop can't change files mid-build) -> apply the public exclusions ->
# BUILD_ALLOW=1 bun run build (memory-capped) -> check the output -> atomic swap of /data/cdn/current.
# Exit 75 = another build holds the lock.
set -u
exec 9>/tmp/build-cdn.lock
flock -n 9 || { echo "another build is running"; exit 75; }
cd /app/repo
SHA=$(git rev-parse --short HEAD); SNAP=/tmp/build-$SHA
rm -rf "$SNAP"; mkdir -p "$SNAP"
git archive HEAD | tar -x -C "$SNAP" || { echo "snapshot failed"; exit 1; }
bash /app/repo/deployment/cloud/apply-exclusions.sh "$SNAP"
ln -s /app/repo/node_modules "$SNAP/node_modules"
cd "$SNAP"
echo "$(date -u +%FT%TZ) building $SHA"
NODE_OPTIONS="--max-old-space-size=${BUILD_MAX_OLD_SPACE_MB:-1536}" BUILD_ALLOW=1 nice -n 10 bun run build \
|| { echo "build failed"; rm -rf "$SNAP"; exit 1; }
OUT="$SNAP/public/dx-maps"
[ -f "$OUT/manifest.json" ] || { echo "no manifest.json in the output"; rm -rf "$SNAP"; exit 1; }
printf 'window.MAP_API_BASE=%s;\n' "$(printf '%s' "${PUBLIC_API_BASE:-}" | python3 -c 'import json,sys;print(json.dumps(sys.stdin.read()))')" > "$OUT/runtime-config.js"
NEW=/data/cdn/build-$SHA
rm -rf "$NEW"; mkdir -p /data/cdn; mv "$SNAP/public" "$NEW"
bash /app/repo/deployment/cloud/apply-exclusions.sh --check "$NEW" || { echo "REFUSED: excluded content in the build; not published"; rm -rf "$NEW" "$SNAP"; exit 1; }
ln -sfn "$NEW" /data/cdn/current.tmp && mv -T /data/cdn/current.tmp /data/cdn/current
echo "$SHA" > /data/cdn/COMMIT
find /data/cdn -maxdepth 1 -name 'build-*' ! -path "$NEW" -exec rm -rf {} +
rm -rf "$SNAP"
echo "$(date -u +%FT%TZ) published $SHA at /cdn/dx-maps/"