refactor: self hosting setup (#411)

* merge-commit: self hosted updates

* dev: updates in self hosting setup

* dev: update script to get the instance IP

* dev: update script to generate backend secret key

nginx/Dockerfile

@@ -1,4 +1,4 @@
 FROM nginx:1.21-alpine
 
 RUN rm /etc/nginx/conf.d/default.conf
-COPY nginx.conf /etc/nginx/conf.d
+COPY nginx.conf /etc/nginx/nginx.conf

nginx/nginx.conf

@@ -1,25 +1,20 @@
-upstream plane {
-    server localhost:80;
-}
+events { }
 
-error_log /var/log/nginx/error.log;
+
+http {
+  sendfile on;
 
 server {
     listen       80;
     root   /www/data/;
     access_log /var/log/nginx/access.log;
     location / {
-        proxy_pass http://planefrontend:3000/;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        proxy_pass http://planefrontend:3000/;       
     }
+
     location /api/ {
         proxy_pass http://planebackend:8000/api/;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-    }
-    error_page   500 502 503 504  /50x.html;
-    location = /50x.html {
-        root   /usr/share/nginx/html;
     }
+
 }
+}