chore: init repository

Dockerfile

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+FROM golang:1.13-alpine as builder
+ENV GO111MODULE=on
+# Remove the cache to avoid warning message during `apk info`
+RUN rm -rf /var/cache/apk/* && \
+    rm -rf /tmp/*
+
+RUN apk update
+
+# GO and PATH env variables already set in golang image
+# to reduce download time
+RUN apk --no-cache add -U make git musl-dev gcc
+WORKDIR /app
+COPY . .
+RUN make local-build
+
+# final stage
+FROM alpine:3.7
+RUN apk --no-cache add ca-certificates
+
+
+WORKDIR /app
+COPY --from=builder /go/bin/john .
+EXPOSE 8080
+
+ENTRYPOINT ["/app/john"]
+CMD ["serve", "--logformat", "json", "--loglevel", "debug"]