docs: How to query gRPC service using Bun (#2863)

* docs: How to query gRPC service using Bun

* move readme to blogpost

Dockerfile

@@ -209,7 +209,7 @@ RUN chmod 755 /usr/bin/deno
 
 COPY --from=nsjail /nsjail/nsjail /bin/nsjail
 
-COPY --from=oven/bun:1.0.8 /usr/local/bin/bun /usr/bin/bun
+COPY --from=oven/bun:1.0.18 /usr/local/bin/bun /usr/bin/bun
 
 # add the docker client to call docker from a worker if enabled
 COPY --from=docker:dind /usr/local/bin/docker /usr/local/bin/

examples/usecase/query-grpc-service/README.md

@@ -0,0 +1,4 @@
+Query gRPC service in Windmill
+==============================
+
+See [Blog Post](https://www.windmill.dev/blog/query-grpc-service)

examples/usecase/query-grpc-service/docker-compose.yml

@@ -0,0 +1,31 @@
+version: "3.7"
+
+services:
+  grpc:
+    image: gbouv/grpc-quickstart-service
+
+  db:
+    image: postgres:14
+    volumes:
+      - db_data:/var/lib/postgresql/data
+    environment:
+      POSTGRES_PASSWORD: changeme
+      POSTGRES_DB: windmill
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  windmill_server:
+    image: ghcr.io/windmill-labs/windmill:main
+    ports:
+      - 8000:8000
+    environment:
+      - DATABASE_URL=postgres://postgres:changeme@db/windmill?sslmode=disable
+    depends_on:
+      db:
+        condition: service_healthy
+
+volumes:
+  db_data: null