examples - nextcloud fix and tomcat

examples/tomcat/docker-compose.yml

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+version: '3'
+
+services:
+
+  myreverse:
+    image: bunkerity/bunkerized-nginx
+    restart: always
+    ports:
+      - 80:8080
+      - 443:8443
+    volumes:
+      - ./letsencrypt:/etc/letsencrypt
+      - ./server-confs:/server-confs
+    environment:
+      - SERVER_NAME=app1.website.com         # replace with your domain
+      - SERVE_FILES=no
+      - DISABLE_DEFAULT_SERVER=yes
+      - REDIRECT_HTTP_TO_HTTPS=yes
+      - AUTO_LETS_ENCRYPT=yes
+
+  mytomcat:
+    image: tomcat
+    restart: always
+    volumes:
+      - ./app:/usr/local/tomcat/webapps/

examples/tomcat/server-confs/reverse-proxy.conf

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+proxy_set_header Host $host;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+
+location / {
+	proxy_pass http://mytomcat:8080/sample$request_uri;
+}