944feb39ec
Apps follow the Heroku convention of binding to $PORT at runtime. Without --env PORT=$PORT, containers use their default port which doesn't match what Caddy is configured to dial, causing 502s.
185 lines
7.3 KiB
Bash
Executable file
185 lines
7.3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# HIY Build Engine
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# Environment variables injected by hiy-server:
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# APP_ID, APP_NAME, REPO_URL, BRANCH, PORT, ENV_FILE, SHA, BUILD_DIR
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set -euo pipefail
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log() { echo "[hiy] $*"; }
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log "=== HostItYourself Build Engine ==="
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log "App: $APP_NAME ($APP_ID)"
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log "Repo: $REPO_URL"
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log "Branch: $BRANCH"
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log "Build dir: $BUILD_DIR"
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# ── 1. Clone or pull ───────────────────────────────────────────────────────────
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mkdir -p "$BUILD_DIR"
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cd "$BUILD_DIR"
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if [ -d ".git" ]; then
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log "Updating existing clone…"
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git fetch origin "$BRANCH" --depth=50
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git checkout "$BRANCH"
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git reset --hard "origin/$BRANCH"
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else
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log "Cloning repository…"
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git clone --depth=50 --branch "$BRANCH" "$REPO_URL" .
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fi
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ACTUAL_SHA=$(git rev-parse HEAD)
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log "SHA: $ACTUAL_SHA"
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# ── 2. Detect build strategy ──────────────────────────────────────────────────
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IMAGE_TAG="hiy/${APP_ID}:${ACTUAL_SHA}"
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CONTAINER_NAME="hiy-${APP_ID}"
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if [ -f "Dockerfile" ]; then
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log "Strategy: Dockerfile"
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docker build --tag "$IMAGE_TAG" .
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elif [ -f "package.json" ] || [ -f "yarn.lock" ]; then
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log "Strategy: Node.js (Cloud Native Buildpack)"
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if ! command -v pack &>/dev/null; then
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log "ERROR: 'pack' CLI not found. Install it: https://buildpacks.io/docs/tools/pack/"
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exit 1
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fi
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pack build "$IMAGE_TAG" --builder paketobuildpacks/builder-jammy-base
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elif [ -f "requirements.txt" ] || [ -f "pyproject.toml" ]; then
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log "Strategy: Python (Cloud Native Buildpack)"
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if ! command -v pack &>/dev/null; then
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log "ERROR: 'pack' CLI not found. Install it: https://buildpacks.io/docs/tools/pack/"
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exit 1
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fi
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pack build "$IMAGE_TAG" --builder paketobuildpacks/builder-jammy-base
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elif [ -f "go.mod" ]; then
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log "Strategy: Go (Cloud Native Buildpack)"
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if ! command -v pack &>/dev/null; then
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log "ERROR: 'pack' CLI not found. Install it: https://buildpacks.io/docs/tools/pack/"
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exit 1
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fi
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pack build "$IMAGE_TAG" --builder paketobuildpacks/builder-jammy-base
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elif [ -d "static" ] || [ -d "public" ]; then
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STATIC_DIR="static"
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[ -d "public" ] && STATIC_DIR="public"
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log "Strategy: Static files (Caddy) from ./$STATIC_DIR"
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cat > Dockerfile.hiy <<EOF
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FROM caddy:2-alpine
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COPY $STATIC_DIR /srv
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EOF
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docker build --file Dockerfile.hiy --tag "$IMAGE_TAG" .
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rm -f Dockerfile.hiy
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else
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log "ERROR: Could not detect build strategy."
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log "Add a Dockerfile, package.json, requirements.txt, go.mod, or a static/ directory."
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exit 1
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fi
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# ── 3. Ensure Docker network ───────────────────────────────────────────────────
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docker network create hiy-net 2>/dev/null || true
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# ── 4. Stop & remove previous container ───────────────────────────────────────
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if docker ps -a --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then
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log "Stopping old container…"
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docker stop "$CONTAINER_NAME" >/dev/null 2>&1 || true
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docker rm "$CONTAINER_NAME" >/dev/null 2>&1 || true
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fi
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# ── 5. Start new container ────────────────────────────────────────────────────
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log "Starting container ${CONTAINER_NAME}…"
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ENV_FILE_ARG=()
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if [ -n "${ENV_FILE:-}" ] && [ -f "$ENV_FILE" ]; then
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ENV_FILE_ARG=(--env-file "$ENV_FILE")
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else
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log "No env file found at '${ENV_FILE:-}'; starting without one."
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fi
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docker run --detach \
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--name "$CONTAINER_NAME" \
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--network hiy-net \
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"${ENV_FILE_ARG[@]+"${ENV_FILE_ARG[@]}"}" \
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--env "PORT=${PORT}" \
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--expose "$PORT" \
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--label "hiy.app=${APP_ID}" \
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--label "hiy.port=${PORT}" \
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--restart unless-stopped \
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--memory="512m" \
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--cpus="0.5" \
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"$IMAGE_TAG"
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# ── 6. Update Caddy via its admin API ─────────────────────────────────────────
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CADDY_API="${CADDY_API_URL:-http://localhost:2019}"
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DOMAIN_SUFFIX="${DOMAIN_SUFFIX:-localhost}"
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if curl --silent --fail "${CADDY_API}/config/" >/dev/null 2>&1; then
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CONTAINER_IP=$(docker inspect "$CONTAINER_NAME" \
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--format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}')
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UPSTREAM="${CONTAINER_IP}:${PORT}"
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log "Updating Caddy: ${APP_ID}.${DOMAIN_SUFFIX} → ${UPSTREAM}"
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ROUTE_JSON=$(cat <<EOF
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{
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"match": [{"host": ["${APP_ID}.${DOMAIN_SUFFIX}"]}],
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"handle": [{"handler": "reverse_proxy", "upstreams": [{"dial": "${UPSTREAM}"}]}]
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}
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EOF
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)
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# Upsert the route for this app.
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ROUTES=$(curl --silent --fail "${CADDY_API}/config/apps/http/servers/hiy/routes" 2>/dev/null || echo "[]")
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# Remove existing route for the same host, rebuild list, keep dashboard as catch-all.
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UPDATED=$(echo "$ROUTES" | python3 -c "
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import sys, json
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try:
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routes = json.loads(sys.stdin.read())
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if not isinstance(routes, list):
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routes = []
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except Exception:
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routes = []
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DASHBOARD = {'handle': [{'handler': 'reverse_proxy', 'upstreams': [{'dial': 'server:3000'}]}]}
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new_host = '${APP_ID}.${DOMAIN_SUFFIX}'
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# Keep host-matched routes that are NOT for this app
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routes = [r for r in routes
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if r.get('match') and not any(
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isinstance(m, dict) and new_host in m.get('host', [])
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for m in r.get('match', []))]
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routes.insert(0, json.loads(sys.argv[1]))
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routes.append(DASHBOARD)
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print(json.dumps(routes))
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" "$ROUTE_JSON")
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log "Upstream: ${UPSTREAM}"
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log "Routes JSON: ${UPDATED}"
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set +e
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CADDY_RESP=$(curl --silent --show-error \
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--write-out "\nHTTP_STATUS:%{http_code}" \
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"${CADDY_API}/config/apps/http/servers/hiy/routes" \
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--header "Content-Type: application/json" \
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--request PATCH \
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--data "$UPDATED" 2>&1)
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set -e
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if echo "$CADDY_RESP" | grep -q "HTTP_STATUS:2"; then
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log "Caddy updated."
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else
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log "WARNING: Caddy update failed (app is running; fix routing manually)."
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log "Caddy response: ${CADDY_RESP}"
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fi
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else
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log "Caddy admin API not reachable; skipping route update."
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log "Container ${CONTAINER_NAME} is running on port ${PORT} but not publicly routed."
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log "To reach it directly, re-run the container with a published port:"
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log " docker rm -f ${CONTAINER_NAME}"
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log " docker run -d --name ${CONTAINER_NAME} -p ${PORT}:${PORT} ${IMAGE_TAG}"
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log "Or point any reverse proxy at: \$(docker inspect ${CONTAINER_NAME} --format '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}'):${PORT}"
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fi
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# ── 7. Prune old images ───────────────────────────────────────────────────────
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log "Pruning old images (keeping last 3)…"
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docker images "hiy/${APP_ID}" --format "{{.ID}}\t{{.CreatedAt}}" \
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| sort --reverse --key=2 \
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| tail -n +4 \
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| awk '{print $1}' \
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| xargs --no-run-if-empty docker rmi 2>/dev/null || true
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log "=== Build complete: $APP_NAME @ $ACTUAL_SHA ==="
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