Updated ARM and Raspberry Pi Support for Docker builds (markdown)

ARM-and-Raspberry-Pi-Support-for-Docker-builds.md

@@ -1,3 +1,33 @@
+# For the latest release:
+Current versions of szurubooru should work out-of-box with ARM architectures. You will only need to build the repository yourself, instead of retrieving the prebuilt images hosted on Docker Hub. To do so, make the following change to `docker-compose.yml` and run `docker-compose build`:
+
+```diff
+--- a/docker-compose.yml
++++ b/docker-compose.yml
+@@ -7,7 +7,8 @@ version: '2'
+ services:
+
+   server:
+-    image: szurubooru/server:latest
++    build:
++      context: ./server
+     depends_on:
+       - sql
+     environment:
+@@ -26,7 +27,8 @@ services:
+       - "./server/config.yaml:/opt/app/config.yaml"
+
+   client:
+-    image: szurubooru/client:latest
++    build:
++      context: ./client
+     depends_on:
+       - server
+     environment:
+```
+
+# For release version 2.3 or earlier:
+
 Per [this post](https://github.com/rr-/szurubooru/issues/192#issuecomment-476897156) by [WychWitch](https://github.com/WychWitch)
 
 > Here are my files! If this isn't enough let me know, I might've forgotten one. Again, this is only for rpi3/arm32v7