update Dockerfile and mention alternative docker compose file in README

Dockerfile

@@ -1,7 +1,8 @@
 FROM node:16-alpine
-
-ADD ./ /app
-WORKDIR /app
+RUN apk add git
+RUN git clone https://codeberg.org/orenom/Wikiless /wikiless
+WORKDIR /wikiless
 RUN npm install --no-optional
-COPY config.js.template config.js
+COPY wikiless.config config.js
 CMD npm start
+

README.md

@@ -149,3 +149,5 @@ For development, there's a `docker-compose.yml` that mounts the app code (for ho
 $ docker-compose run --rm web npm install --no-optionals
 $ docker-compose up
 ```
+
+If you are experiencing errors with Redis not connecting, you might want to try the [alternative docker-compose.yml](https://github.com/JarbasAl/wikiless-docker).