adapt Dockerfile.aarch64 (#4210)

Dockerfile.aarch64

@@ -1,5 +1,4 @@
 FROM aarch64/alpine:3.5
-MAINTAINER atzoum@gmail.com
 
 # Install system utils & Gogs runtime dependencies
 ADD https://github.com/tianon/gosu/releases/download/1.9/gosu-arm64 /usr/sbin/gosu
@@ -8,9 +7,12 @@ RUN chmod +x /usr/sbin/gosu \
 
 ENV GOGS_CUSTOM /data/gogs
 
-COPY . /app/gogs/
-WORKDIR /app/gogs/
-RUN ./docker/build.sh
+COPY . /app/gogs/build
+WORKDIR /app/gogs/build
+
+RUN    ./docker/build-go.sh \
+    && ./docker/build.sh \
+    && ./docker/finalize.sh
 
 # Configure LibC Name Service
 COPY docker/nsswitch.conf /etc/nsswitch.conf
@@ -18,5 +20,5 @@ COPY docker/nsswitch.conf /etc/nsswitch.conf
 # Configure Docker Container
 VOLUME ["/data"]
 EXPOSE 22 3000
-ENTRYPOINT ["docker/start.sh"]
+ENTRYPOINT ["/app/gogs/docker/start.sh"]
 CMD ["/bin/s6-svscan", "/app/gogs/docker/s6/"]