fix: retry production health checks during startup

scripts/deploy-vps.sh

@@ -14,6 +14,10 @@ PUBLIC_URL="${PUBLIC_URL:-https://$APP_DOMAIN}"
 DEPLOY_CADDY="${DEPLOY_CADDY:-0}"
 RUN_MIGRATIONS="${RUN_MIGRATIONS:-0}"
 SKIP_VERIFY="${SKIP_VERIFY:-0}"
+VERIFY_RETRIES="${VERIFY_RETRIES:-30}"
+VERIFY_RETRY_DELAY_SECONDS="${VERIFY_RETRY_DELAY_SECONDS:-2}"
+VERIFY_RETRY_MAX_SECONDS="${VERIFY_RETRY_MAX_SECONDS:-60}"
+VERIFY_REQUEST_TIMEOUT_SECONDS="${VERIFY_REQUEST_TIMEOUT_SECONDS:-20}"
 
 SSH_TARGET="$SSH_USER@$VPS_HOST"
 COMPOSE_FILE="$APP_ROOT/current/deploy/vps/docker-compose.yml"
@@ -86,10 +90,22 @@ ssh -t -i "$SSH_KEY" -p "$VPS_PORT" "$SSH_TARGET" "
   sudo docker ps --format 'table {{.Names}}\t{{.Image}}\t{{.Status}}\t{{.Ports}}'
 "
 
+verify_url() {
+  local url="$1"
+
+  echo "Verifying $url"
+  curl -fsSIL \
+    --retry "$VERIFY_RETRIES" \
+    --retry-all-errors \
+    --retry-delay "$VERIFY_RETRY_DELAY_SECONDS" \
+    --retry-max-time "$VERIFY_RETRY_MAX_SECONDS" \
+    --max-time "$VERIFY_REQUEST_TIMEOUT_SECONDS" \
+    "$url" | sed -n '1,12p'
+}
+
 if [[ "$SKIP_VERIFY" != "1" ]]; then
-  echo "Verifying $PUBLIC_URL"
-  curl -fsSIL --max-time 20 "$PUBLIC_URL/" | sed -n '1,12p'
-  curl -fsSIL --max-time 20 "$PUBLIC_URL/admin" | sed -n '1,12p'
+  verify_url "$PUBLIC_URL/"
+  verify_url "$PUBLIC_URL/admin"
 fi
 
 echo "Deploy complete: $REVISION"