fix: use alpine linux to ease ssh/git

Author: gsdevme

Dockerfile

@@ -1,13 +1,7 @@
-FROM alpine:3 as builder
-
-RUN ls /tmp/
-
-FROM scratch as base
+FROM alpine:3
 
 ENV SLACK_SIGNING_SECRET=""
 ENV PORT=8080
 
-COPY --from=builder /tmp /tmp
-
 ENTRYPOINT ["/gitops-commit"]
 COPY gitops-commit /