Add Dockerfile

Dockerfile

@@ -0,0 +1,29 @@
+ARG GO_VERSION=1.15
+ARG CGO_ENABLED=0
+ARG NODE_VERSION=14.11
+
+FROM golang:${GO_VERSION}-alpine AS go-builder
+WORKDIR /app
+COPY go.mod go.sum ./
+RUN go mod download
+COPY cmd ./cmd
+COPY pkg ./pkg
+COPY gqlgen.yml .
+RUN go build -o hetty ./cmd/
+
+FROM node:${NODE_VERSION}-alpine AS node-builder
+WORKDIR /app
+COPY admin/package.json admin/yarn.lock ./
+RUN yarn install --frozen-lockfile
+COPY admin/ .
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN yarn run export
+
+FROM alpine:3.12
+WORKDIR /app
+COPY --from=go-builder /app/hetty .
+COPY --from=node-builder /app/dist admin
+
+ENTRYPOINT ["./hetty"]
+
+EXPOSE 80