Switch out debian for alpine

Dockerfile

@@ -1,4 +1,4 @@
-FROM registry.hub.docker.com/library/golang:1.13.6-buster AS BUILD
+FROM registry.hub.docker.com/library/golang:1.13.6-alpine AS BUILD
 
 ADD . /app
 
@@ -6,6 +6,6 @@ RUN set -o errexit; \
   cd /app || exit 1; \
   go build
 
-FROM registry.hub.docker.com/library/golang:1.13.6-buster
+FROM registry.hub.docker.com/library/alpine:3.11.2
 
 COPY --from=BUILD /app/gitea-resource /usr/local/bin/gitea-resource

VERSION

@@ -1 +1 @@
-0.1.0
+0.2.0