ci: Publish Docker images (#41)

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

apis/websocket/Dockerfile

@@ -0,0 +1,16 @@
+# This file should be triggered from the monorepo root
+FROM oven/bun:latest AS base
+
+FROM base AS build
+
+WORKDIR /build
+COPY . .
+RUN cd apis/websocket && bun run build
+
+FROM base AS release
+
+WORKDIR /app
+COPY --from=build /build/apis/websocket/dist /app
+USER 1000:1000
+
+ENTRYPOINT [ "bun", "run", "index.js" ]