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Master Microservices with Spring Boot, Docker, Kubernetes

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Learn how to create enterprise and production ready Microservices with Spring, Spring Cloud, Docker and Kubernetes.

Topics covered in the course

  • Section 1 - Introduction to Microservices Architecture
  • Section 2- Building microservices using Spring Boot
  • Section 3 - How do we right size our microservices & identify boundaries
  • Section 4 - Handle deployment, portability & scalability of microservices using Docker
  • Section 5 - Deep Dive on Cloud Native Apps & 15-Factor methodology
  • Section 6 - Configurations Management in Microservices
  • Section 7 - Using MySQL DBs inside microservices
  • Section 8 - Service Discovery & Service Registration in microservices
  • Section 9 - Gateway, Routing & Cross cutting concerns in Microservices
  • Section 10 - Making Microservices Resilient
  • Section 11 - Observability and monitoring of microservices
  • Section 12 - Microservices Security
  • Section 13 - Event Driven microservices using RabbitMQ,Spring Cloud Functions & Stream
  • Section 14 - Event Driven microservices using Kafka,Spring Cloud Functions & Stream
  • Section 15 - Container Orchestration using Kubernetes
  • Section 16 - Deep dive on Helm
  • Section 17 - Server-side service discovery and load balancing using Kubernetes
  • Section 18 - Deploying microservices into cloud K8s cluster
  • Section 19 - Introduction to K8s Ingress, Service Mesh (Istio) & mTLS
  • Section 20 - Congratulations & Thank You

Pre-requisite for the course

  • Good understanding on Java and Spring concepts
  • Basic understanding on SpringBoot & REST services is a bonus but not mandatory
  • Interest to learn and explore about Microservices

Important Links

Maven Commands used in the course

Maven Command Description
"mvn clean install -Dmaven.test.skip=true" To generate a jar inside target folder
"mvn spring-boot:run" To start a springboot maven project
"mvn spring-boot:build-image" To generate a docker image using Buildpacks. No need of Dockerfile
"mvn compile jib:dockerBuild" To generate a docker image using Google Jib. No need of Dockerfile

Docker Commands used in the course

Docker Command Description
"docker build . -t eazybytes/accounts:s4" To generate a docker image based on a Dockerfile
"docker run -p 8080:8080 eazybytes/accounts:s4" To start a docker container based on a given image
"docker images" To list all the docker images present in the Docker server
"docker image inspect image-id" To display detailed image information for a given image id
"docker image rm image-id" To remove one or more images for a given image ids
"docker image push docker.io/eazybytes/accounts:s4" To push an image or a repository to a registry
"docker image pull docker.io/eazybytes/accounts:s4" To pull an image or a repository from a registry
"docker ps" To show all running containers
"docker ps -a" To show all containers including running and stopped
"docker container start container-id" To start one or more stopped containers
"docker container pause container-id" To pause all processes within one or more containers
"docker container unpause container-id" To unpause all processes within one or more containers
"docker container stop container-id" To stop one or more running containers
"docker container kill container-id" To kill one or more running containers instantly
"docker container restart container-id" To restart one or more containers
"docker container inspect container-id" To inspect all the details for a given container id
"docker container logs container-id" To fetch the logs of a given container id
"docker container logs -f container-id" To follow log output of a given container id
"docker container rm container-id" To remove one or more containers based on container ids
"docker container prune" To remove all stopped containers
"docker compose up" To create and start containers based on given docker compose file
"docker compose down" To stop and remove containers
"docker compose start" To start containers based on given docker compose file
"docker compose down" To stop the running containers
"docker run -p 3306:3306 --name accountsdb -e MYSQL_ROOT_PASSWORD=root -e MYSQL_DATABASE=accountsdb -d mysql" To create a MySQL DB container
"docker run -p 6379:6379 --name eazyredis -d redis" To create a Redis Container
"docker run -p 8080:8080 -e KEYCLOAK_ADMIN=admin -e KEYCLOAK_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak:22.0.3 start-dev" To create Keycloak Container

Apache Benchmark command used in the course

Apache Benchmark command Description
"ab -n 10 -c 2 -v 3 http://localhost:8072/eazybank/cards/api/contact-info" To perform load testing on API by sending 10 requests

Kubernetes Commands used in the course

Kubernetes Command Description
"kubectl apply -f filename" To create a deployment/service/configmap based on a given YAML file
"kubectl get all" To get all the components inside your cluster
"kubectl get pods" To get all the pods details inside your cluster
"kubectl get pod pod-id" To get the details of a given pod id
"kubectl describe pod pod-id" To get more details of a given pod id
"kubectl delete pod pod-id" To delete a given pod from cluster
"kubectl get services" To get all the services details inside your cluster
"kubectl get service service-id" To get the details of a given service id
"kubectl describe service service-id" To get more details of a given service id
"kubectl get nodes" To get all the node details inside your cluster
"kubectl get node node-id" To get the details of a given node
"kubectl get replicasets" To get all the replica sets details inside your cluster
"kubectl get replicaset replicaset-id" To get the details of a given replicaset
"kubectl get deployments" To get all the deployments details inside your cluster
"kubectl get deployment deployment-id" To get the details of a given deployment
"kubectl get configmaps" To get all the configmap details inside your cluster
"kubectl get configmap configmap-id" To get the details of a given configmap
"kubectl get events --sort-by=.metadata.creationTimestamp" To get all the events occured inside your cluster
"kubectl scale deployment accounts-deployment --replicas=1" To set the number of replicas for a deployment inside your cluster
"kubectl set image deployment gatewayserver-deployment gatewayserver=eazybytes/gatewayserver:s11 --record" To set a new image for a deployment inside your cluster
"kubectl rollout history deployment gatewayserver-deployment" To know the rollout history for a deployment inside your cluster
"kubectl rollout undo deployment gatewayserver-deployment --to-revision=1" To rollback to a given revision for a deployment inside your cluster
"kubectl get pvc" To list the pvcs inside your cluster
"kubectl delete pvc data-happy-panda-mariadb-0" To delete a pvc inside your cluster

Helm Commands used in the course

Helm Command Description
"helm create [NAME]" Create a default chart with the given name
"helm dependencies build" To recompile the given helm chart
"helm install [NAME] [CHART]" Install the given helm chart into K8s cluster
"helm upgrade [NAME] [CHART]" Upgrades a specified release to a new version of a chart
"helm history [NAME]" Display historical revisions for a given release
"helm rollback [NAME] [REVISION]" Roll back a release to a previous revision
"helm uninstall [NAME]" Uninstall all of the resources associated with a given release
"helm template [NAME] [CHART]" Render chart templates locally along with the values
"helm list" Lists all of the helm releases inside a K8s cluster