feature: docker: io: healthcheck

Author: coderaiser

docker/Dockerfile.alpine

@@ -28,5 +28,12 @@ ENV cloudcmd_vim=true
 
 EXPOSE 8000
 
+HEALTHCHECK \
+  --interval=2s \
+  --timeout 2s \
+  --retries=20 \
+  --start-period=30s \
+  CMD curl -f localhost:8000
+
 ENTRYPOINT ["/usr/src/cloudcmd/bin/cloudcmd.js"]