ci: Publish Docker images (#41)

Co-authored-by: PalmDevs <git@palmdevs.me>

bots/discord/Dockerfile

@@ -0,0 +1,17 @@
+# This file should be triggered from the monorepo root
+FROM oven/bun:latest AS base
+
+FROM base AS build
+
+WORKDIR /build
+COPY . .
+RUN cd bots/discord && bun run build
+
+FROM base AS release
+
+WORKDIR /app
+COPY --from=build /build/bots/discord/dist /app
+
+USER 1000:1000
+
+ENTRYPOINT [ "bun", "run", "src/index.js" ]