add reverse proxy

caddy/Caddyfile

+:80 {
+	# http://localhost:9001/nginx -> http://nginx/nginx
+	# reverse_proxy /nginx nginx
+	# http://localhost:9001/nginx -> http://nginx/
+	route /nginx* {
+		uri replace /nginx /
+		reverse_proxy nginx
+	}
+
+	route /apache* {
+		uri replace /apache /
+		reverse_proxy apache
+	}
+
+	route /todolist* {
+		uri replace /todolist /
+		reverse_proxy todolist:8080
+	}
+}
+
+todolist.org:80 {
+	reverse_proxy todolist:8080
+}

caddy/Dockerfile

+FROM caddy:2.9.1
+COPY Caddyfile /etc/caddy/Caddyfile
\ No newline at end of file

docker-compose.yml

 #Auflistung aller Dienste
 services:
+  caddy:
+    build: ./caddy
+    ports:
+      - 9001:80
   #Dienstname bzw. Hostname innerhalb des Netzwerks
   nginx:
     #Pfad zum Dockerfile für diesen Container
     build: ./nginx
     #Port-Mapping von außen nach innen
-    ports:
-      - 8080:80
   apache:
     #Basis-Image
     image: httpd:2.4
-    ports:
-      - 207:80
   todolist:
     build: ./todolist_spring
\ No newline at end of file
-    ports:
-      - 8070:8080
\ No newline at end of file