appuser 권한 설정 변경 가능하게 구조화

Dockerfile

@@ -16,7 +16,11 @@ RUN CGO_ENABLED=0 go build -o /bin/geoip ./cmd/server && \
 
 FROM debian:trixie-slim
 
-RUN useradd --create-home --shell /usr/sbin/nologin appuser
+ARG APP_UID=1000
+ARG APP_GID=1000
+
+RUN groupadd -g ${APP_GID} appuser && \
+    useradd --create-home --shell /usr/sbin/nologin --uid ${APP_UID} --gid ${APP_GID} appuser
 
 WORKDIR /
 
@@ -27,7 +31,7 @@ COPY --from=builder /bin/user-program-dump /usr/local/bin/user-program-dump
 COPY --from=builder /bin/user-program-sync /usr/local/bin/user-program-sync
 COPY initial_data /initial_data
 RUN mkdir -p /update_data /log && \
-    chown -R appuser:appuser /initial_data /update_data /log
+    chown -R ${APP_UID}:${APP_GID} /initial_data /update_data /log
 
 ENV GEOIP_DB_PATH=/initial_data/GeoLite2-City.mmdb
 USER appuser