Update release script to build/distribute backend

Dockerfile

@@ -1,24 +1,37 @@
-FROM alpine:3.11 AS build
+FROM golang:1.13 AS build
 
-RUN apk add --no-cache nodejs npm git make
+ARG HTTP_PROXY=
+ARG HTTPS_PROXY=
+ARG http_proxy=
+ARG https_proxy=
+
+RUN apt-get update && apt-get install -y build-essential git bash curl
+
+RUN curl -sL https://deb.nodesource.com/setup_12.x | bash - \
+    && apt-get install -y nodejs
 
 COPY . /src
+
 WORKDIR /src
 
-RUN make install-deps \
-    && make build
+RUN ( cd client && npm install ) \
+    && ( cd server && go mod vendor ) \
+    && make ARCH_TARGETS=amd64 release
 
-FROM alpine:3.11
+FROM busybox
 
-COPY --from=build /src/client/dist /client
+COPY --from=build /src/release/server-linux-amd64 /app
 
-WORKDIR /client
+WORKDIR /app
 
-RUN apk add --no-cache caddy
-
-COPY misc/dokku/Caddyfile /client/Caddyfile
 COPY misc/dokku/CHECKS /client/CHECKS
 
 EXPOSE 80
 
-CMD ["caddy"]
+VOLUME /data
+
+ENV GUESSTIMATE_HTTP_ADDRESS=:80
+ENV GUESSTIMATE_HTTP_PUBLIC_DIR=/app/public
+ENV GUESSTIMATE_DATA_PATH=/data/guesstimate.db
+
+CMD ["/app/bin/server", "-config", "config.yml"]