Move the REPO and WEBROOT vars to the Dockerfile since that's the only place they're needed. Dir is getting created successfully now.

Config/F-DroidRepo/docker-compose.example.yml

@@ -8,13 +8,13 @@ services:
     build:
       context: ./
       network: host
-      args:
-        WEBROOT: ${WEBROOT}
-        REPO: ${REPO}
+      #args:
+      #  WEBROOT: "/var/www/html"
+      #  REPO: "/root/fdroid"
     restart: always
     environment:
-      - WEBROOT=/var/www/html
-      - REPO=/root/fdroid
+      - WEBROOT="/var/www/html"
+      - REPO="/root/fdroid"
       - FILE0=$FILE0
       - FILE1=$FILE1
       - FILE2=$FILE2