fix permission issue in image build

Author: ChristopherHX

Dockerfile

@@ -82,11 +82,11 @@ RUN install -o root -g root -m 755 docker/* /usr/bin/ && rm -rf docker
 
 RUN mkdir -p /runner && chown runner:docker -R /runner && ln -s /data/.actions_runner .runner
 
-USER 1000
-
 WORKDIR /runner
 RUN chown runner:docker /runner && mkdir -p /home/runner/_work && chown -R runner:docker /home/runner/_work && mkdir -p /data && chown runner:docker /data
 
+USER 1000
+
 COPY --from=builder /opt/src/gitea-actions-runner/gitea-actions-runner /runner/gitea-actions-runner
 
 COPY actions-runner-worker.py /runner

Dockerfile.medium

@@ -57,11 +57,11 @@ COPY --chown=runner:docker --from=build /actions-runner .
 
 RUN mkdir -p /runner && chown runner:docker -R /runner && ln -s /data/.actions_runner .runner
 
-USER 1000
-
 WORKDIR /runner
 RUN chown runner:docker /runner && mkdir -p /home/runner/_work && chown -R runner:docker /home/runner/_work && mkdir -p /data && chown runner:docker /data
 
+USER 1000
+
 COPY --from=builder /opt/src/act_runner/gitea-actions-runner /runner/gitea-actions-runner
 
 COPY actions-runner-worker.py /runner