- 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 10.108.241.163 <none> 8102:32102/TCP 23sInvoke the microservice (please substitute <K8S NODE> placeholder with the IP address of one Kubernetes node):
$ curl <K8S NODE>: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 23s