feat(convex): use official self-hosted backend image behind Traefik; remove CLI-based service

stack.yml

@@ -38,20 +38,16 @@ services:
     networks:
       - traefik_public
 
-  convex:
-    image: node:20-bullseye
-    working_dir: /app
-    command: >
-      bash -lc "corepack enable \
-      && corepack prepare pnpm@9 --activate \
-      && pnpm install --frozen-lockfile \
-      && set -a && . ./.env && set +a \
-      && pnpm exec convex dev --configure new --project sistema-de-chamados --dev-deployment local"
+  convex_backend:
+    image: ghcr.io/get-convex/convex-backend:latest
+    stop_grace_period: 10s
+    stop_signal: SIGINT
     volumes:
-      - /srv/apps/sistema:/app
-      - convex_data:/root/.convex
+      - convex_data:/convex/data
     environment:
-      NODE_ENV: "production"
+      - RUST_LOG=info
+      - CONVEX_CLOUD_ORIGIN=https://convex.esdrasrenan.com.br
+      - CONVEX_SITE_ORIGIN=https://convex.esdrasrenan.com.br
     deploy:
       mode: replicated
       replicas: 1