- You have Docker installed
- You have a DockerHUB user
- You have a Minikube cluster up and running with
kubectlCLI already configured to access it - You setup all the infrastructure components as showed in lab 06 - Install infrastructure components on K8S
Build the image (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker build --build-arg MVN_ARGS=-DskipTests -t <YOUR_DOCKERHUB_USER>/customer:1.0-SNAPSHOT ../02-eCommerce_microservices/customer/
...
Successfully built af34dc2c05d5
Successfully tagged dennydgl1/customer:1.0-SNAPSHOTAuthenticate with DockerHUB (insert your credentials if prompted)
$ docker login
Authenticating with existing credentials...
Login SucceededPush the image on DockerHUB (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker push <YOUR_DOCKERHUB_USER>/customer:1.0-SNAPSHOT
...
1.0-SNAPSHOT: digest: sha256:b51a9a0f4a1e640d5e91bce08a6b0a8e40403d704fead46fc83043a40ded0db0 size: 1366Create the ConfigMap object to store application.properties file
$ kubectl create configmap customer-conf --from-file ../02-eCommerce_microservices/customer/src/main/resources/application.properties
configmap/customer-conf createdModify the image name in customer-ms.yaml file, in order to reflect the one you used in the previous steps (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
...
image: <YOUR_DOCKERHUB_USER>/customer:1.0-SNAPSHOT
...Apply the manifest
$ kubectl apply -f customer-ms.yaml
deployment.apps/customer-deployment created
service/customer-service createdCheck if everything went fine
$ kubectl get deploy,pod,svc -l app=customer
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/customer-deployment 1/1 1 1 23s
NAME READY STATUS RESTARTS AGE
pod/customer-deployment-6df99bcbd4-dwgpr 1/1 Running 0 23s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/customer-service NodePort 10.108.241.163 <none> 8102:32102/TCP 23sInvoke the microservice (please substitute <K8S NODE> placeholder with the IP address of one Kubernetes node):
$ curl <K8S NODE>:32102/customers-service/v2/customers/
[]You should get an empty array just because at this stage the database is empty.
Build the image (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker build --build-arg MVN_ARGS=-DskipTests -t <YOUR_DOCKERHUB_USER>/order:1.0-SNAPSHOT ../02-eCommerce_microservices/order/
...
Successfully built af34dc2c05d5
Successfully tagged dennydgl1/order:1.0-SNAPSHOTAuthenticate with DockerHUB (insert your credentials if prompted)
$ docker login
Authenticating with existing credentials...
Login SucceededPush the image on DockerHUB (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker push <YOUR_DOCKERHUB_USER>/order:1.0-SNAPSHOT
...
1.0-SNAPSHOT: digest: sha256:b51a9a0f4a1e640d5e91bce08a6b0a8e40403d704fead46fc83043a40ded0db0 size: 1366Create the ConfigMap object to store application.properties file
$ kubectl create configmap order-conf --from-file ../02-eCommerce_microservices/order/src/main/resources/application.properties
configmap/order-conf createdModify the image name in order-ms.yaml file, in order to reflect the one you used in the previous steps (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
...
image: <YOUR_DOCKERHUB_USER>/order:1.0-SNAPSHOT
...Apply the manifest
$ kubectl apply -f order-ms.yaml
deployment.apps/order-deployment created
service/order-service createdCheck if everything went fine
$ kubectl get deploy,pod,svc -l app=order
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/order-deployment 1/1 1 1 23s
NAME READY STATUS RESTARTS AGE
pod/order-deployment-6df99bcbd4-dwgpr 1/1 Running 0 23s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/order-service NodePort 10.109.241.163 <none> 8103:32103/TCP 23sInvoke the microservice (please substitute <K8S NODE> placeholder with the IP address of one Kubernetes node):
$ curl <K8S NODE>:32103/orders-service/v2/orders/
[]You should get an empty array just because at this stage the database is empty.
Build the image (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker build --build-arg MVN_ARGS=-DskipTests -t <YOUR_DOCKERHUB_USER>/notification:1.0-SNAPSHOT ../02-eCommerce_microservices/notification/
...
Successfully built af34dc2c05d5
Successfully tagged dennydgl1/notification:1.0-SNAPSHOTAuthenticate with DockerHUB (insert your credentials if prompted)
$ docker login
Authenticating with existing credentials...
Login SucceededPush the image on DockerHUB (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
$ docker push <YOUR_DOCKERHUB_USER>/notification:1.0-SNAPSHOT
...
1.0-SNAPSHOT: digest: sha256:b51a9a0f4a1e640d5e91bce08a6b0a8e40403d704fead46fc83043a40ded0db0 size: 1366Create the ConfigMap object to store application.properties file
$ kubectl create configmap notification-conf --from-file ../02-eCommerce_microservices/notification/src/main/resources/application.properties
configmap/notification-conf createdModify the image name in notification-ms.yaml file, in order to reflect the one you used in the previous steps (change the placeholder <YOUR_DOCKERHUB_USER> with your DockerHUB username)
...
image: <YOUR_DOCKERHUB_USER>/notification:1.0-SNAPSHOT
...Apply the manifest
$ kubectl apply -f notification-ms.yaml
deployment.apps/notification-deployment created
service/notification-service createdCheck if everything went fine
$ kubectl get deploy,pod,svc -l app=notification
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/notification-deployment 1/1 1 1 23s
NAME READY STATUS RESTARTS AGE
pod/notification-deployment-6df99bcbd4-dwgpr 1/1 Running 0 23sWhen finished, remember to remove all the microservices you created so far (a part from the infrastructure components that must be kept running) in order to make room for the next lab.
$ kubectl delete cm,deploy,pod,svc -l app=notification,order,customer