add:deploy stuff

backend/Dockerfile

@@ -0,0 +1,18 @@
+FROM oven/bun:1-alpine
+
+WORKDIR /app
+
+COPY package.json ./
+COPY drizzle.config.ts ./
+COPY drizzle/ ./drizzle/
+COPY src/ ./src/
+
+RUN bun install --frozen-lockfile
+
+COPY entrypoint.sh ./
+RUN chmod +x entrypoint.sh
+
+EXPOSE 4500
+
+ENTRYPOINT ["./entrypoint.sh"]
+