Adding in a more reliable docker dev build. (The other wouldn't use buildkit).

docker/dev/docker-compose.yml

@@ -3,9 +3,7 @@ version: '3.3'
 services:
 
   lemmy:
-    build: 
-      context: ../../
-      dockerfile: docker/dev/Dockerfile
+    image: lemmy-dev:latest
     ports:
       - "8536:8536"
     restart: always

docker/dev/docker_update.sh

@@ -1,7 +1,6 @@
 #!/bin/sh
 set -e
 
-export COMPOSE_DOCKER_CLI_BUILD=1
-export DOCKER_BUILDKIT=1
 sudo chown -R 991:991 volumes/pictrs
-sudo docker-compose up -d --no-deps --build
+sudo docker build ../../ --file ../dev/Dockerfile -t lemmy-dev:latest
+sudo docker-compose up -d