pass in UID and GID so hounted volumes have correct owner (todo: make it dynameic)

dev/Dockerfile

@@ -1,6 +1,9 @@
 FROM golang:1.15-alpine3.12
 
 ARG GOPROXY
+ARG UID
+ARG GID
+
 ENV GOPROXY ${GOPROXY:-direct}
 
 ARG GITEA_VERSION
@@ -15,6 +18,8 @@ WORKDIR /src
 
 EXPOSE 22 3000
 
+RUN echo DEBUG: "gg ${GID} uu ${UID}"
+
 RUN apk --no-cache add \
     bash \
     ca-certificates \
@@ -29,13 +34,13 @@ RUN apk --no-cache add \
     gnupg
 
 RUN addgroup \
-    -S -g 1000 \
+    -S -g ${GID} \
     git && \
   adduser \
     -S -H -D \
     -h /home/git \
     -s /bin/bash \
-    -u 1000 \
+    -u ${UID} \
     -G git \
     git && \
   echo "git:$(dd if=/dev/urandom bs=24 count=1 status=none | base64)" | chpasswd