refactor

switch to multi-stage image
adapt docker-compose
...

docker-compose.yml

@@ -1,13 +1,13 @@
-version: "3.2"
+v4ersion: "3.2"
 services:
     mongodb:
-        image: mongo
+        image: docker.io/mongo:4.0
         volumes:
             - /docker/unifi_mongodb/db:/data/db
     controller:
         image: registry.lubiland.de/unifi-controller
         volumes:
-            - /docker/unifi_controller/data:/opt/UniFi/data
+            - /docker/unifi_controller/unifi/data:/unifi/data
         ports:
             - target: 8080
               published: 8080

unifi-controller/Dockerfile

@@ -1,17 +1,24 @@
-FROM openjdk:8-jre-slim
+FROM docker.io/alpine AS downloader
 
-WORKDIR /opt
+WORKDIR /unifi
 
 ADD https://www.ubnt.com/downloads/unifi/5.10.26/UniFi.unix.zip Unifi.unix.zip
 
-RUN unzip Unifi.unix.zip \
+RUN apk add unzip \
+ && unzip Unifi.unix.zip \
  && rm Unifi.unix.zip
 
 
-WORKDIR /opt/UniFi
+FROM openjdk:8-jre-slim
 
-VOLUME /opt/UniFi/data
+WORKDIR /unifi
 
+COPY --from=downloader /unifi/UniFi/ .
+
+VOLUME /unifi/data
+
+EXPOSE 8080
 EXPOSE 8443
+EXPOSE 3478/udp
 
 CMD ["java", "-jar", "lib/ace.jar", "start"]