fix minor git issues with docker

docker-compose.dev.yml

@@ -8,6 +8,7 @@ services:
             bfile:
         volumes:
             - './filed:/opt/code'
+            - './.git:/opt/code/.git:ro' # for fetching the latest commit version
             - '/opt/code/target'
             - './volatile/files:/opt/user_uploads'
     caddy:

filed/Dockerfile.dev

@@ -4,6 +4,8 @@ FROM rust as builder
 WORKDIR /opt/code
 COPY . .
 
+RUN apt install -y git
+
 # No build is done during this step
 # since the directory will be mounted anyways
 # to the dev's machine.