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- Architecture
- Getting started
- Making changes
- Making requests to the API service
- Local setup + running the backend service (without Docker)
- Test: automatically fetch all menu items, create an order
- Manually calling the service
- Next.js web application
- Golang REST service
- Golang RPC service
- MySQL database
If you created an environment from DevZero's Microservice Template, all of the backend services will automatically be up and running!
To view and share the service, follow these steps to create a Share Link:
- Click the "Open in web browser" button to launch the codeserver, a browser-based Visual Studio Code app. You can make changes to the service and view logs here:
- Click on the dropdown and select 'Share':
- Select port 3000 (where the web app is listening), then click 'Create link':
-
Run the frontend:
cd web-client; npm run dev -
You can now see the demo web app, Da$h Cafe, which will allow you to add items to the cart and place an order:
All code for the frontend lives in the /web-client directory.
# from web-client directory
npm run dev
To rebuild and run the backend services, run make docker. The backend server and API will start after the DB is up + running.
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
e207881b1113 microservice-example_api "/app/api" 19 seconds ago Up 19 seconds (healthy) 0.0.0.0:8333->8333/tcp microservice-example_api_1
44871e520c2c microservice-example_server "./server" 19 seconds ago Up 19 seconds 0.0.0.0:9090->9090/tcp microservice-example_server_1
a93d72fb09b5 mysql "docker-entrypoint.s…" 48 seconds ago Up 47 seconds (healthy) 0.0.0.0:3306->3306/tcp, 33060/tcp db
5173f6d53321 adminer "entrypoint.sh docke…" 48 seconds ago Up 47 seconds 0.0.0.0:8080->8080/tcp microservice-example_adminer_1
Log into Adminer <hostname>/proxy/8080 (user: admin, password: password, database: backend_service) to view and change database records
curl 'localhost:8333/menu-items'
curl -X POST 'localhost:8333/orders' \
-H 'Content-Type: application/json' \
-D '{"orderItems": [
{
"menuItemID": 1,
"quantity": 1
},
{
"menuItemID": 4,
"quantity": 2
}
], "customerName": "Sharon"}'
curl "localhost:8333/healthcheck" | jq .
{
"statusCode": 200,
"status": "OK"
}
- requires golang + mysql to be installed locally
cd backend
make serve
# new window
make run
# install grpcurl
brew install grpcurl
# fetch a list of all menu items
grpcurl -plaintext 127.0.0.1:9090 v1.OrderService.ReadAllMenuItems
# create a new order
grpcurl -d '{"orderItems": {"menuItemID": 6, "quantity": 2}}' -plaintext 127.0.0.1:9090 v1.OrderService.CreateOrder