Merge pull request #2902 from alexbelgium/fix/portainer-ingress-gzip-2766

fix(portainer): disable nginx gzip re-compression on ingress (#2766)

portainer/CHANGELOG.md

@@ -1,4 +1,7 @@
  
+## 2.43.0.1 (2026-07-24)
+- Ingress: disable nginx gzip re-compression of proxied responses so Home Assistant relays them via the buffered path (addresses 502 Bad Gateway via ingress, #2766)
+
 ## 2.43.0 (2026-06-27)
 - Update to latest version from portainer/portainer (changelog : https://github.com/portainer/portainer/releases)
 

portainer/config.yaml

@@ -42,4 +42,4 @@ schema:
 slug: portainer
 udev: true
 url: https://github.com/alexbelgium/hassio-addons
-version: "2.43.0"
+version: "2.43.0.1"

portainer/rootfs/etc/cont-init.d/30-nginx.sh

@@ -16,8 +16,8 @@ if bashio::config.true 'ssl'; then
     sed -i "s|9000|9443|g" /etc/nginx/includes/upstream.conf
     sed -i "s|9000|9443|g" /etc/services.d/nginx/run
     sed -i "s|9099 default_server|9099 ssl|g" /etc/nginx/templates/ingress.gtpl
-    sed -i '7 i ssl_certificate /ssl/{{ .certfile }};' /etc/nginx/templates/ingress.gtpl
+    sed -i '8 i ssl_certificate /ssl/{{ .certfile }};' /etc/nginx/templates/ingress.gtpl
-    sed -i '7 i ssl_certificate_key /ssl/{{ .keyfile }};' /etc/nginx/templates/ingress.gtpl
+    sed -i '8 i ssl_certificate_key /ssl/{{ .keyfile }};' /etc/nginx/templates/ingress.gtpl
     bashio::log.info "Ssl enabled, please use https for connection"
 else
     sed -i '/connection_upgrade/a\proxy_set_header Origin "";' /etc/nginx/templates/ingress.gtpl

portainer/rootfs/etc/nginx/templates/ingress.gtpl

@@ -4,6 +4,7 @@ server {
   include /etc/nginx/includes/server_params.conf;
   include /etc/nginx/includes/proxy_params.conf;
   client_max_body_size 0;
+  gzip off;
 
   proxy_hide_header X-Frame-Options;
   proxy_hide_header Content-Security-Policy;