feat(bot): add dockerfile for JS rewrite, fix some loose ends (#210)

hack/dockerfiles/bot.Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.15-alpine AS builder
+FROM node:14 AS builder
 
 # Create the user and group files that will be used in the running container to
 # run the process as an unprivileged user.
@@ -6,41 +6,23 @@ RUN mkdir /user \
   && echo 'nobody:x:65534:65534:nobody:/:' >/user/passwd \
   && echo 'nobody:x:65534:' >/user/group
 
-# Install the Certificate-Authority certificates for the app to be able to make
-# calls to HTTPS endpoints.
-# Git is required for fetching the dependencies.
-RUN apk add --no-cache ca-certificates git
-
 # Set the working directory outside $GOPATH to enable the support for modules.
 WORKDIR /src
 
 # Fetch dependencies first; they are less susceptible to change on every build
 # and will therefore be cached for speeding up the next build
-COPY ./go.mod ./go.sum ./
-RUN go mod download
+COPY ./package.json ./yarn.lock /src/
+COPY ./packages/bot/package.json /src/packages/bot/
+RUN yarn workspace @roleypoly/bot install --focus
 
-# Import the code from the context.
-COPY ./ ./
+FROM node:14-slim AS final
+WORKDIR /src
 
-# Build the executable to `/app`. Mark the build as statically linked.
-RUN CGO_ENABLED=0 go build \
-  -installsuffix "static" \
-  -o /app ./src/discord-bot
-
-# Final stage: the running container.
-FROM scratch AS final
-
-# Import the user and group files from the first stage.
 COPY --from=builder /user/group /user/passwd /etc/
-
-# Import the Certificate-Authority certificates for enabling HTTPS.
-COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
-
-# Import the compiled executable from the first stage.
-COPY --from=builder /app /app
-
-# Perform any further action as an unprivileged user.
 USER nobody:nobody
 
-# Run the compiled binary.
-ENTRYPOINT ["/app"]
+# Import the code from the context.
+COPY --from=builder /src/node_modules /src/node_modules
+COPY ./packages/bot /src/packages/bot
+
+ENTRYPOINT [ "node", "/src/packages/bot/index.js" ]