Phoenix Deploy API: alert webhook, .env.example, Site24x7 and E2E docs

- PHOENIX_ALERT_WEBHOOK_URL: POST on alerts when firing
- .env.example: PROXMOX_*, PROMETHEUS_*, webhooks, partner keys
- PHOENIX_SITE24X7_API_KEYS.md: how to issue API keys for Site24x7
- PHOENIX_E2E_PORTAL_API_RAILING.md: E2E test steps and references

Made-with: Cursor

phoenix-deploy-api/.env.example

@@ -1,17 +1,30 @@
-# =============================================================================
-# Phoenix Deploy API — Environment (example)
-# =============================================================================
-# Copy to .env and fill in. Do not commit .env.
-# See README.md for Gitea webhook and deploy endpoint usage.
-# =============================================================================
+# Phoenix Deploy API — copy to .env and set values
 
-# Listen port
 PORT=4001
-
-# Gitea instance (for commit status API)
 GITEA_URL=https://gitea.d-bis.org
-# Token with repo (or repo:status) scope — create at Gitea → Settings → Applications
-GITEA_TOKEN=your-gitea-token
+GITEA_TOKEN=
+PHOENIX_DEPLOY_SECRET=
 
-# Optional: shared secret for webhook signature and /api/deploy Bearer auth
-# PHOENIX_DEPLOY_SECRET=your-webhook-and-deploy-secret
+# Proxmox (for Infra/VE API; omit for stub responses)
+PROXMOX_HOST=
+PROXMOX_PORT=8006
+PROXMOX_USER=root@pam
+PROXMOX_TOKEN_NAME=
+PROXMOX_TOKEN_VALUE=
+PROXMOX_TLS_VERIFY=1
+
+# VM lifecycle (set to 1 to enable start/stop/reboot)
+PHOENIX_VE_LIFECYCLE_ENABLED=0
+
+# Prometheus (for Health API)
+PROMETHEUS_URL=http://localhost:9090
+PROMETHEUS_ALERTS_URL=
+
+# Outbound webhooks
+PHOENIX_WEBHOOK_URL=
+PHOENIX_WEBHOOK_SECRET=
+PHOENIX_ALERT_WEBHOOK_URL=
+PHOENIX_ALERT_WEBHOOK_SECRET=
+
+# Optional: comma-separated API keys for /api/v1/* (X-API-Key or Bearer)
+PHOENIX_PARTNER_KEYS=