feat: enforce no proxy caching (#788)

Author: Nerivec

zigbee2mqtt-proxy/config.json

@@ -1,6 +1,6 @@
 {
     "name": "Zigbee2MQTT Proxy",
-    "version": "0.2.0",
+    "version": "0.3.0",
     "slug": "zigbee2mqtt_proxy",
     "description": "Proxy for externally running Zigbee2MQTT",
     "url": "https://github.com/zigbee2mqtt/hassio-zigbee2mqtt/tree/master/zigbee2mqtt-proxy",

zigbee2mqtt-proxy/entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/sh
 
 tempio -conf /data/options.json -template /nginx.conf.gtpl -out /tmp/nginx.conf
-nginx -T -c /tmp/nginx.conf
+nginx -t -c /tmp/nginx.conf
 
 exec nginx -c /tmp/nginx.conf

zigbee2mqtt-proxy/nginx.conf.gtpl

@@ -61,6 +61,13 @@ http {
             proxy_send_timeout          86400s;
             proxy_max_temp_file_size    0;
 
+            proxy_no_cache     1;
+            proxy_cache_bypass 1;
+
+            add_header Cache-Control "no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0";
+            add_header Pragma "no-cache";
+            add_header Expires 0;
+
             proxy_set_header Accept-Encoding "";
             proxy_set_header Connection $connection_upgrade;
             proxy_set_header Host $http_host;