Add support for HTTPS backends

Author: woutertenbosch

Dockerfile

@@ -16,6 +16,7 @@ RUN chmod 755 /*.sh
 
 # Set reverse proxy domain
 ENV REVERSE_DOMAIN example.com
+ENV REVERSE_PROTO http
 
 # Expose and start
 EXPOSE 80

nginx.conf

@@ -13,13 +13,14 @@ http {
         listen 80;
 
         location / {
-            proxy_pass http://_REPLACE_ME_/;
-			proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504 http_404 http_403 http_300 http_301 http_303;
+            proxy_pass _REPLACE_ME_PROTO_://_REPLACE_ME_HOST_/;
+			proxy_next_upstream error timeout invalid_header http_500 http_502 http_503 http_504 http_403 http_404;
             proxy_redirect off;
             proxy_buffering off;
-            proxy_set_header Host _REPLACE_ME_;
+            proxy_set_header Host _REPLACE_ME_HOST_;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+			proxy_intercept_errors on;
         }
     }
 }

run.sh

@@ -1,7 +1,8 @@
 #!/bin/bash
 
 echo "Configuring Nginx Reverse Proxy..."
-sed -i "s/_REPLACE_ME_/$REVERSE_DOMAIN/g" /etc/nginx/nginx.conf
+sed -i "s/_REPLACE_ME_HOST_/$REVERSE_DOMAIN/g" /etc/nginx/nginx.conf
+sed -i "s/_REPLACE_ME_PROTO_/$REVERSE_PROTO/g" /etc/nginx/nginx.conf
 
 echo "Starting Nginx Reverse Proxy..."
 exec /usr/sbin/nginx & tail -F /var/log/nginx/*