Add RTMP optional port setup

.env.sample

@@ -24,5 +24,9 @@ LOG_LEVEL=WARN
 # COMPOSE_FILE="compose.yml:compose.foodsoft.yml"
 # FOODSOFT_SMTP_ENABLED=1
 
+## Peertube RTMP
+# COMPOSE_FILE="compose.yml:compose.peertube.yml"
+# PEERTUBE_RTMP_ENABLED=1
+
 ## Host-mode networking
 #COMPOSE_FILE="compose.yml:compose.host.yml"

compose.peertube.yml

@@ -0,0 +1,5 @@
+version: "3.8"
+services:
+  app:
+    ports:
+      - "1935:1935"

compose.yml

@@ -4,7 +4,7 @@ services:
     image: "traefik:v2.4.8"
     # Note(decentral1se): *please do not* add any additional ports here.
     # Doing so could break new installs with port conflicts. Please use
-    # the usual `compose.$name.yml` approach for any additional ports
+    # the usual `compose.$app.yml` approach for any additional ports
     ports:
       - "80:80"
       - "443:443"