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# Triggered on every push to main and on manual dispatch.
# Steps:
# 1. Capture the current SHA on the box (for rollback)
# 2. SSH in, git pull, run deploy-crontech.sh (which restarts systemd + reloads Caddy)
# 3. Smoke-test https://gluecron.com/healthz with retries
# 4. On smoke failure: roll back to the previous SHA and restart
# 5. On any failure: have Claude read the last 100 journal lines and post a one-paragraph
# root-cause analysis to the workflow summary (and optionally a webhook)
#
# Secrets required:
# HETZNER_HOST — public IP/hostname of the box (e.g. 178.104.208.252)
# HETZNER_USER — ssh user (e.g. root)
# HETZNER_SSH_KEY — private deploy key (PEM/OpenSSH format)
#
# Optional:
# ANTHROPIC_API_KEY — enables AI failure-diagnosis step
# DEPLOY_WEBHOOK_URL — POSTed with JSON deploy status (Slack/Discord/anything)
# DEPLOY_EVENT_TOKEN — bearer used to POST deploy timeline events to
# ${APP_BASE_URL}/api/events/deploy/{started,finished}.
# Block N3: this makes the live site display ITS OWN
# deploy in the admin nav + at /admin/deploys.
# APP_BASE_URL — base URL of the running site (default https://gluecron.com).
on:
push:
branches: [main]
workflow_dispatch: {}
concurrency:
group: hetzner-deploy
cancel-in-progress: false
jobs:
deploy:
name: Deploy gluecron.com
runs-on: ubuntu-latest
timeout-minutes: 12
steps:
- uses: actions/checkout@v4
# ─── 0. Mark start time + notify the live site (Block N3) ────────────
# The site has its own admin status pill + /admin/deploys timeline.
# POSTing here makes the pill say "Deploying… 14s" the moment SSH
# begins. `--fail` is intentionally NOT set: a 5xx here must never
# block the deploy itself.
- name: Record start time
id: start
run: |
echo "epoch=$(date +%s)" >> $GITHUB_OUTPUT
- name: Notify deploy started
if: env.DEPLOY_EVENT_TOKEN != ''
env:
DEPLOY_EVENT_TOKEN: ${{ secrets.DEPLOY_EVENT_TOKEN }}
APP_BASE_URL: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
run: |
curl --silent --show-error --max-time 10 \
-X POST "$APP_BASE_URL/api/events/deploy/started" \
-H "authorization: Bearer $DEPLOY_EVENT_TOKEN" \
-H "content-type: application/json" \
--data "{\"sha\":\"${{ github.sha }}\",\"run_id\":\"${{ github.run_id }}\",\"source\":\"hetzner-deploy\"}" \
|| echo "(deploy-started notify failed — continuing)"
# ─── 1. Capture pre-deploy SHA so we can rollback ───────────────────
# R2 — bracket every major step with notify-deploy-step calls so the
# /admin/deploys modal can stream the workflow live. The composite
# action is fire-and-forget — a 5xx never blocks the deploy.
- name: Notify step — setup (in_progress)
if: env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: setup
status: in_progress
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
- name: Capture pre-deploy SHA
id: prev
uses: appleboy/ssh-action@v1.2.0
with:
host: ${{ secrets.HETZNER_HOST }}
username: ${{ secrets.HETZNER_USER }}
key: ${{ secrets.HETZNER_SSH_KEY }}
script_stop: true
script: |
cd /opt/gluecron
sha=$(git rev-parse HEAD)
echo "Previous SHA: $sha"
echo "$sha" > /tmp/gluecron_prev_sha
cat /tmp/gluecron_prev_sha
- name: Notify step — setup (succeeded)
if: success() && env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: setup
status: succeeded
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
- name: Notify step — setup (failed)
if: failure() && env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: setup
status: failed
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
# ─── 2. Deploy: pull main, install/compile/restart ─────────────────
# Block N2 — speed optimisation:
# (a) Cache `bun install` by hashing bun.lock; skip the walk when
# the lockfile is unchanged. Saves ~5-15s per "no deps changed"
# deploy.
# (b) Compile to a single Bun static binary at
# /opt/gluecron/.next/gluecron-server. Boot drops from ~500ms
# (cold ESM resolve) to <50ms. Compile itself takes ~3-5s.
# (c) Rewrite the systemd unit on first run if it lacks Type=notify
# (idempotent — diff-then-write, daemon-reload only on change).
# Falls back to `bun run src/index.ts` if the compiled binary is
# missing for any reason — the deploy MUST stay backward-
# compatible.
# (d) `systemctl restart` blocks until sd_notify(READY=1) fires
# (wired in src/lib/systemd-notify.ts), so we no longer rely on
# the curl-with-retries loop downstream.
- name: Deploy
id: deploy
uses: appleboy/ssh-action@v1.2.0
env:
DEPLOY_EVENT_TOKEN: ${{ secrets.DEPLOY_EVENT_TOKEN }}
APP_BASE_URL: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
GH_RUN_ID: ${{ github.run_id }}
GH_SHA: ${{ github.sha }}
with:
host: ${{ secrets.HETZNER_HOST }}
username: ${{ secrets.HETZNER_USER }}
key: ${{ secrets.HETZNER_SSH_KEY }}
command_timeout: 8m
script_stop: true
# R2: stream per-phase progress to /api/events/deploy/step. We
# share one SSH session across all phases (git pull → install →
# build → migrate → restart) so the in-script curl posts give us
# the live timeline a black-box step boundary can't.
envs: DEPLOY_EVENT_TOKEN,APP_BASE_URL,GH_RUN_ID,GH_SHA
script: |
set -euo pipefail
cd /opt/gluecron
# R2 helper: POST a single step event (in_progress|succeeded|failed).
# Never fails — observability must not break deploys.
notify_step() {
local NAME="$1" STATUS="$2" DUR="${3:-}"
if [ -z "${DEPLOY_EVENT_TOKEN:-}" ] || [ -z "${APP_BASE_URL:-}" ]; then
return 0
fi
local DUR_FIELD=""
if [ -n "$DUR" ]; then
DUR_FIELD=",\"duration_ms\":$DUR"
fi
curl --silent --show-error --max-time 5 \
-X POST "$APP_BASE_URL/api/events/deploy/step" \
-H "authorization: Bearer $DEPLOY_EVENT_TOKEN" \
-H "content-type: application/json" \
--data "{\"run_id\":\"$GH_RUN_ID\",\"sha\":\"$GH_SHA\",\"step_name\":\"$NAME\",\"status\":\"$STATUS\"$DUR_FIELD}" \
>/dev/null 2>&1 || true
}
notify_step "git-pull" "in_progress"
GP_START=$(date +%s)
git fetch --prune origin main
git reset --hard origin/main
new_sha=$(git rev-parse HEAD)
echo "Deploying SHA: $new_sha"
notify_step "git-pull" "succeeded" "$(( ( $(date +%s) - GP_START ) * 1000 ))"
BUN=/root/.bun/bin/bun
CACHE_DIR=/opt/gluecron/.cache
HASH_FILE=$CACHE_DIR/bun-lockfile-hash
mkdir -p "$CACHE_DIR"
# ─── (a) Cached deps: skip bun install when bun.lock is unchanged
notify_step "bun-install" "in_progress"
BI_START=$(date +%s)
if [ -f bun.lock ]; then
new_hash=$(sha256sum bun.lock | awk '{print $1}')
else
new_hash="no-lockfile"
fi
old_hash=""
if [ -f "$HASH_FILE" ]; then
old_hash=$(cat "$HASH_FILE")
fi
if [ "$new_hash" = "$old_hash" ] && [ -d node_modules ]; then
echo "==> bun install: SKIP (lockfile unchanged: $new_hash)"
else
echo "==> bun install: hash changed ($old_hash -> $new_hash) — installing"
"$BUN" install --frozen-lockfile
echo "$new_hash" > "$HASH_FILE"
fi
notify_step "bun-install" "succeeded" "$(( ( $(date +%s) - BI_START ) * 1000 ))"
# ─── (b) Compile to a single static binary (best-effort)
notify_step "build" "in_progress"
BD_START=$(date +%s)
mkdir -p .next
COMPILED=.next/gluecron-server
COMPILED_TMP=.next/gluecron-server.new
if "$BUN" build --compile --outfile "$COMPILED_TMP" src/index.ts; then
mv -f "$COMPILED_TMP" "$COMPILED"
chmod +x "$COMPILED"
EXEC_START="/opt/gluecron/.next/gluecron-server"
echo "==> compiled binary ready: $COMPILED"
notify_step "build" "succeeded" "$(( ( $(date +%s) - BD_START ) * 1000 ))"
else
# Backward-compat: if compile fails, fall back to interpreted Bun
echo "WARN: bun build --compile failed — falling back to bun run"
rm -f "$COMPILED_TMP"
EXEC_START="$BUN run src/index.ts"
# Treat compile-failure-with-fallback as 'succeeded' for the
# modal — the deploy itself is still going.
notify_step "build" "succeeded" "$(( ( $(date +%s) - BD_START ) * 1000 ))"
fi
# ─── (c) Idempotent systemd unit rewrite (Type=notify)
UNIT=/etc/systemd/system/gluecron.service
DESIRED=$(cat <<UNIT_EOF
[Unit]
Description=Gluecron — AI-native code intelligence platform
After=network-online.target postgresql.service
Wants=network-online.target
[Service]
Type=notify
NotifyAccess=main
User=root
WorkingDirectory=/opt/gluecron
EnvironmentFile=/etc/gluecron.env
ExecStart=$EXEC_START
Restart=always
RestartSec=5
TimeoutStartSec=30
StandardOutput=journal
StandardError=journal
SyslogIdentifier=gluecron
LimitNOFILE=65536
[Install]
WantedBy=multi-user.target
UNIT_EOF
)
# Strip the leading indentation from the heredoc (`sed 's/^ //'`)
# so the rendered unit is column-0 like systemd expects.
DESIRED=$(printf '%s\n' "$DESIRED" | sed 's/^ //')
need_rewrite=1
if [ -f "$UNIT" ] && diff -q <(printf '%s\n' "$DESIRED") "$UNIT" >/dev/null 2>&1; then
need_rewrite=0
fi
if [ "$need_rewrite" = "1" ]; then
echo "==> rewriting $UNIT (Type=notify, ExecStart=$EXEC_START)"
printf '%s\n' "$DESIRED" > "$UNIT"
systemctl daemon-reload
else
echo "==> $UNIT already matches desired state — skipping daemon-reload"
fi
# ─── DB migrations (cheap; safe to always run)
notify_step "db-migrate" "in_progress"
DM_START=$(date +%s)
set -a; source /etc/gluecron.env; set +a
"$BUN" run src/db/migrate.ts || echo "WARN: migrate failed (may be already-applied)"
notify_step "db-migrate" "succeeded" "$(( ( $(date +%s) - DM_START ) * 1000 ))"
# ─── (d) Zero-downtime restart. Blocks until sd_notify(READY=1).
notify_step "restart-service" "in_progress"
RS_START=$(date +%s)
echo "==> systemctl restart gluecron (blocks on sd_notify READY=1)"
systemctl restart gluecron
echo "==> restart returned — gluecron signalled ready"
notify_step "restart-service" "succeeded" "$(( ( $(date +%s) - RS_START ) * 1000 ))"
# ─── 3. Smoke-test the deployed app on the box ──────────────────────
# We SSH back in and curl localhost:3010/healthz directly. This tests
# the EXACT instance we just deployed, independent of:
# - DNS state (gluecron.com may still point at an old box during a
# migration)
# - Caddy TLS state (cert may not be issued yet for a new domain)
# - external network reachability from GH runners
# If you ALSO want a public-DNS smoke check, add a second step that
# hits https://gluecron.com after this one succeeds.
- name: Notify step — smoke-test (in_progress)
if: env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: smoke-test
status: in_progress
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
- name: Smoke test (localhost on the box)
id: smoke
uses: appleboy/ssh-action@v1.2.0
with:
host: ${{ secrets.HETZNER_HOST }}
username: ${{ secrets.HETZNER_USER }}
key: ${{ secrets.HETZNER_SSH_KEY }}
script_stop: true
script: |
# Block N2 — `systemctl restart` already blocked on
# sd_notify(READY=1), so the FIRST curl should succeed. We keep a
# short retry budget for paranoia: a brief delay between
# systemd's READY ack and the HTTP listener becoming routable
# via 127.0.0.1 is theoretically possible (unusual but cheap to
# tolerate). 3 attempts × 2s = 6s ceiling instead of 8 × 6s = 48s.
set +e
for i in 1 2 3; do
code=$(curl -s -o /dev/null -w "%{http_code}" http://localhost:3010/healthz)
echo "Attempt $i: /healthz -> $code"
if [ "$code" = "200" ]; then
echo "OK: gluecron is healthy on localhost:3010"
curl -s http://localhost:3010/api/version || true
exit 0
fi
sleep 2
done
echo "FAIL: /healthz did not return 200 after 6s"
systemctl status gluecron --no-pager | head -10 || true
journalctl -u gluecron -n 30 --no-pager || true
exit 1
- name: Notify step — smoke-test (succeeded)
if: success() && env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: smoke-test
status: succeeded
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
- name: Notify step — smoke-test (failed)
if: failure() && steps.smoke.conclusion == 'failure' && env.DEPLOY_EVENT_TOKEN != ''
uses: ./.github/actions/notify-deploy-step
with:
step_name: smoke-test
status: failed
app_base_url: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
deploy_event_token: ${{ secrets.DEPLOY_EVENT_TOKEN }}
# ─── 4. Auto-rollback on smoke failure ──────────────────────────────
# Only rolls back if the workflow was triggered by a normal push.
# Manual workflow_dispatch runs SKIP rollback so the operator can
# diagnose the new code on the box before reverting. This stops the
# pathological case where rollback masks the real failure by reverting
# to an already-broken previous SHA.
- name: Rollback on failure
if: failure() && steps.smoke.conclusion == 'failure' && github.event_name == 'push'
uses: appleboy/ssh-action@v1.2.0
with:
host: ${{ secrets.HETZNER_HOST }}
username: ${{ secrets.HETZNER_USER }}
key: ${{ secrets.HETZNER_SSH_KEY }}
script_stop: false
script: |
cd /opt/gluecron
prev=$(cat /tmp/gluecron_prev_sha)
echo "Rolling back to $prev"
git reset --hard "$prev"
systemctl restart gluecron
sleep 5
systemctl status gluecron --no-pager | head -20 || true
# ─── 5. Failure diagnostics — captured into a file for summary + AI ──
- name: Capture failure context
if: failure()
id: ctx
uses: appleboy/ssh-action@v1.2.0
with:
host: ${{ secrets.HETZNER_HOST }}
username: ${{ secrets.HETZNER_USER }}
key: ${{ secrets.HETZNER_SSH_KEY }}
script_stop: false
script: |
echo "===== systemd status ====="
systemctl status gluecron --no-pager 2>&1 | head -40 || true
echo ""
echo "===== last 80 journal lines (gluecron) ====="
journalctl -u gluecron -n 80 --no-pager --output=cat 2>&1 || true
echo ""
echo "===== caddy validate ====="
caddy validate --config /etc/caddy/Caddyfile 2>&1 | head -20 || true
echo ""
echo "===== /healthz from inside box ====="
curl -s -w "\nHTTP %{http_code}\n" http://localhost:3000/healthz 2>&1 || true
echo ""
echo "===== port 3000 listener ====="
ss -tlnp 2>&1 | grep ':3000' || echo '(nothing listening on :3000)'
# Always post the captured diagnostics to the workflow summary so the
# owner can read what broke without SSH'ing or grepping log files.
- name: Post diagnostics to summary
if: failure() && steps.ctx.outputs.stdout != ''
env:
DIAG: ${{ steps.ctx.outputs.stdout }}
run: |
{
echo "## ❌ Deploy failed — diagnostics"
echo ""
echo "**Commit:** \`${GITHUB_SHA:0:7}\` — ${GITHUB_EVENT_HEAD_COMMIT_MESSAGE:-${GITHUB_SHA:0:7}}"
echo "**Run:** [#${GITHUB_RUN_ID}](${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID})"
echo ""
echo '```'
echo "$DIAG"
echo '```'
} >> $GITHUB_STEP_SUMMARY
- name: AI root-cause analysis (Claude)
if: failure() && env.ANTHROPIC_API_KEY != ''
env:
ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
DEPLOY_LOGS: ${{ steps.ctx.outputs.stdout }}
COMMIT_SHA: ${{ github.sha }}
COMMIT_MSG: ${{ github.event.head_commit.message }}
run: |
set +e
# Build the prompt
cat > /tmp/prompt.json <<EOF
{
"model": "claude-haiku-4-5-20251001",
"max_tokens": 600,
"system": "You are a senior SRE diagnosing a failed deploy. Read the systemd status, journal, and curl output. In 1 short paragraph (under 100 words), identify the most likely root cause and the single fastest fix. Be direct, no preamble.",
"messages": [{
"role": "user",
"content": "Commit: $COMMIT_SHA\nMessage: $COMMIT_MSG\n\nDeploy logs:\n$DEPLOY_LOGS"
}]
}
EOF
response=$(curl -s https://api.anthropic.com/v1/messages \
-H "x-api-key: $ANTHROPIC_API_KEY" \
-H "anthropic-version: 2023-06-01" \
-H "content-type: application/json" \
--data @/tmp/prompt.json)
analysis=$(echo "$response" | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('content',[{}])[0].get('text','(no analysis)'))" 2>/dev/null)
echo "## 🤖 AI Failure Analysis" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "$analysis" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "**Commit:** \`${COMMIT_SHA:0:7}\` — $COMMIT_MSG" >> $GITHUB_STEP_SUMMARY
# ─── 6. Optional webhook notification ───────────────────────────────
- name: Notify webhook
if: always() && env.DEPLOY_WEBHOOK_URL != ''
env:
DEPLOY_WEBHOOK_URL: ${{ secrets.DEPLOY_WEBHOOK_URL }}
STATUS: ${{ job.status }}
run: |
curl -s -X POST "$DEPLOY_WEBHOOK_URL" \
-H "content-type: application/json" \
--data "{\"status\":\"$STATUS\",\"target\":\"gluecron.com\",\"sha\":\"${{ github.sha }}\",\"run\":\"${{ github.run_id }}\"}" || true
# ─── 7. Workflow summary on success ─────────────────────────────────
- name: Success summary
if: success()
run: |
echo "## ✅ Deploy succeeded" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "- **Target:** https://gluecron.com" >> $GITHUB_STEP_SUMMARY
echo "- **SHA:** \`${GITHUB_SHA:0:7}\`" >> $GITHUB_STEP_SUMMARY
echo "- **Health:** /healthz → 200" >> $GITHUB_STEP_SUMMARY
# ─── 8. Block N3 — POST deploy-finished event to the live site ───────
# The site's admin status pill flips to "Deployed Ns ago" or
# "Deploy failed Nm ago" the instant this lands. `if: always()` so we
# always report final state (including failure); the inner `if:` flag
# splits success vs failure for the payload body. We never `--fail` —
# a 5xx must not retroactively break a deploy that actually succeeded.
- name: Notify deploy finished (success)
if: success() && env.DEPLOY_EVENT_TOKEN != ''
env:
DEPLOY_EVENT_TOKEN: ${{ secrets.DEPLOY_EVENT_TOKEN }}
APP_BASE_URL: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
START_EPOCH: ${{ steps.start.outputs.epoch }}
run: |
DUR_MS=$(( ( $(date +%s) - START_EPOCH ) * 1000 ))
curl --silent --show-error --max-time 10 \
-X POST "$APP_BASE_URL/api/events/deploy/finished" \
-H "authorization: Bearer $DEPLOY_EVENT_TOKEN" \
-H "content-type: application/json" \
--data "{\"run_id\":\"${{ github.run_id }}\",\"sha\":\"${{ github.sha }}\",\"status\":\"succeeded\",\"duration_ms\":$DUR_MS}" \
|| echo "(deploy-finished[succeeded] notify failed — continuing)"
- name: Notify deploy finished (failure)
if: failure() && env.DEPLOY_EVENT_TOKEN != ''
env:
DEPLOY_EVENT_TOKEN: ${{ secrets.DEPLOY_EVENT_TOKEN }}
APP_BASE_URL: ${{ secrets.APP_BASE_URL || 'https://gluecron.com' }}
START_EPOCH: ${{ steps.start.outputs.epoch }}
DIAG: ${{ steps.ctx.outputs.stdout }}
run: |
DUR_MS=$(( ( $(date +%s) - START_EPOCH ) * 1000 ))
# First 1 KB of diagnostics — keeps the JSON small and the DB row sane.
ERR_TEXT=$(printf '%s' "${DIAG:-deploy failed; see workflow logs}" | head -c 1024)
# jq -Rs '.' is the safest way to JSON-escape arbitrary multi-line text.
if command -v jq >/dev/null 2>&1; then
ERR_JSON=$(printf '%s' "$ERR_TEXT" | jq -Rs '.')
else
ERR_JSON=$(printf '%s' "$ERR_TEXT" | python3 -c "import sys,json;print(json.dumps(sys.stdin.read()))")
fi
curl --silent --show-error --max-time 10 \
-X POST "$APP_BASE_URL/api/events/deploy/finished" \
-H "authorization: Bearer $DEPLOY_EVENT_TOKEN" \
-H "content-type: application/json" \
--data "{\"run_id\":\"${{ github.run_id }}\",\"sha\":\"${{ github.sha }}\",\"status\":\"failed\",\"duration_ms\":$DUR_MS,\"error\":$ERR_JSON}" \
|| echo "(deploy-finished[failed] notify failed — continuing)"
|