add octoprint reverse proxy

resources/octoprint_nginx.cfg

@@ -0,0 +1,40 @@
+map $http_upgrade $connection_upgrade {
+    default upgrade;
+    '' close;
+}
+
+upstream octoprint {
+    server 127.0.0.1:5000;
+}
+
+upstream mjpg-streamer {
+    server 127.0.0.1:8080;
+}
+
+server {
+    listen 80;
+    listen [::]:80;
+
+    location / {
+        proxy_pass http://octoprint/;
+        proxy_set_header Host $http_host;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Scheme $scheme;
+        #proxy_set_header X-Script-Name /;
+        proxy_http_version 1.1;
+        client_max_body_size 0;
+    }
+
+    location /webcam {
+        proxy_pass http://mjpg-streamer/;
+    }
+
+    # redirect server error pages to the static page /50x.html
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   html;
+    }
+}