Update dockerfile

dockerfile

@@ -1,14 +1,5 @@
 FROM golang:1.21.6 as base
 
-RUN adduser \
-  --disabled-password \
-  --gecos "" \
-  --home "/nonexistent" \
-  --shell "/sbin/nologin" \
-  --no-create-home \
-  --uid 65532 \
-  small-user
-
 WORKDIR $GOPATH/src/app/
 
 COPY . .
@@ -27,6 +18,4 @@ COPY --from=base /etc/group /etc/group
 
 COPY --from=base /main .
 
-USER small-user:small-user
-
 CMD ["/main"]