web: add ability to redirect HTTP traffic to HTTPS

Useful if you're running this setup directly on the Internet, with a
Let's Encrypt certificate.

README.md

@@ -161,6 +161,7 @@ Variable | Description | Default value
 `JIGASI_PORT_MIN` | Minimum port for media used by Jigasi | 20000
 `JIGASI_PORT_MAX` | Maximum port for media used by Jigasi | 20050
 `DISABLE_HTTPS` | Disable HTTPS, this can be useful if TLS connections are going to be handled outside of this setup | 1
+`ENABLE_HTTP_REDIRECT` | Redirects HTTP traffic to HTTPS | 1
 
 ### Running on a LAN environment
 

docker-compose.yml

@@ -13,6 +13,7 @@ services:
             - ENABLE_AUTH
             - ENABLE_GUESTS
             - ENABLE_LETSENCRYPT
+            - ENABLE_HTTP_REDIRECT
             - DISABLE_HTTPS
             - JICOFO_AUTH_USER
             - LETSENCRYPT_DOMAIN

env.example

@@ -121,3 +121,6 @@ JIGASI_PORT_MAX=20050
 
 # Disable HTTPS. This can be useful if TLS connections are going to be handled outside of this setup.
 #DISABLE_HTTPS=1
+
+# Redirects HTTP traffic to HTTPS. Only works with the standard HTTPS port (443).
+#ENABLE_HTTP_REDIRECT=1

web/rootfs/defaults/default

@@ -1,7 +1,11 @@
 server {
 	listen 80 default_server;
 
+	{{ if .Env.ENABLE_HTTP_REDIRECT }}
+	return 301 https://$host$request_uri;
+	{{ else }}
 	include /config/nginx/meet.conf;
+	{{ end }}
 }
 
 {{ if not .Env.DISABLE_HTTPS }}