Update 'Dockerfile'

Dockerfile

@@ -1,6 +1,14 @@
 FROM golang:1.17-buster
 
-RUN adduser --disabled-password --gecos '' gitea
+RUN addgroup \
+    -S -g 1000 \
+    gitea && \
+  adduser \
+    -S-D \
+    -s /bin/bash \
+    -u 1000 \
+    -G gitea \
+    gitea
 
 # upgrade git to v2.33.0
 RUN curl -SL https://github.com/git/git/archive/v2.33.0.tar.gz \