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| # Docker Introduction | ||
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| ## What is Docker? | ||
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| ## Why do we need to use Docker? | ||
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| ## What are advantages of using Docker? | ||
| ## Docker Introduction | ||
| - What problems we have with Traditional Infra? | ||
| - Why do we need to use Docker? | ||
| - What are advantages of using Docker? | ||
| - What is Docker? | ||
| - Lets have couple of hands-on exercises to understand what is Docker. | ||
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| # Docker Installation | ||
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| ## Docker Installations | ||
| - https://docs.docker.com/install/ | ||
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| ## Docker Desktop on Windows | ||
| - https://docs.docker.com/docker-for-windows/ | ||
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| ## Docker Desktop on MAC | ||
| - https://docs.docker.com/docker-for-mac/ | ||
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| ## Docker Desktop on Windows |
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| # Docker Fundamental Flows | ||
| # Flow-1: Pull Docker Image from Docker Hub and Run it | ||
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| ## Flow-1: Pull existing Docker Image from Docker Hub and Run it as a Container | ||
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| #### Step-1: Verify Docker version and also login to Docker Hub | ||
| ## Step-1: Verify Docker version and also login to Docker Hub | ||
| ``` | ||
| docker version | ||
| docker login | ||
| ``` | ||
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| #### Step-2: Pull Image from Docker Hub | ||
| ## Step-2: Pull Image from Docker Hub | ||
| ``` | ||
| docker pull stacksimplify/dockerintro-springboot-helloworld-rest-api:1.0.0-RELEASE | ||
| ``` | ||
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| #### Step-3: Run the downloaded Docker Image & Access the Application | ||
| ## Step-3: Run the downloaded Docker Image & Access the Application | ||
| - Copy the docker image name from Docker Hub | ||
| ``` | ||
| docker run --name app1 -p 80:8080 -d stacksimplify/dockerintro-springboot-helloworld-rest-api:1.0.0-RELEASE | ||
| http://localhost/hello | ||
| ``` | ||
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| #### Step-4: List Running Containers | ||
| ## Step-4: List Running Containers | ||
| ``` | ||
| docker ps | ||
| docker ps -a | ||
| docker ps -a -q | ||
| ``` | ||
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| #### Step-5: Connect to Container Terminal | ||
| ## Step-5: Connect to Container Terminal | ||
| ``` | ||
| docker exec -it <container-name> /bin/sh | ||
| ``` | ||
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| #### Step-6: Container Stop, Start | ||
| ## Step-6: Container Stop, Start | ||
| ``` | ||
| docker stop <container-name> | ||
| docker start <container-name> | ||
| ``` | ||
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| #### Step-7: Remove Container | ||
| ## Step-7: Remove Container | ||
| ``` | ||
| docker rm <container-name> | ||
| ``` | ||
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| ### Step-8: Remove Image | ||
| ## Step-8: Remove Image | ||
| ``` | ||
| docker image <image-id> | ||
| ``` | ||
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| ## Flow-2: Create a new Docker Image, Run as Container and Push to Docker Hub | ||
| #### Step-1: Run the base Nginx container | ||
| - Access the URL http://localhost | ||
| ``` | ||
| docker run --name mynginxdefault -p 80:80 -d nginx | ||
| docker ps | ||
| ``` | ||
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| #### Step-2: Create Dockerfile and copy our customized index.html | ||
| ``` | ||
| FROM nginx | ||
| COPY index.html /usr/share/nginx/html | ||
| ``` | ||
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| #### Step-3: Build Docker Image & run it | ||
| ``` | ||
| docker build -t stacksimplify/mynginx_image1:v1 . | ||
| docker run --name mynginx1 -p 80:80 -d stacksimplify/mynginx_image1:v1 | ||
| ``` | ||
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| #### Step-4: Tag & push the Docker image to docker hub | ||
| ``` | ||
| docker images | ||
| docker tag stacksimplify/mynginx_image1:v1 stacksimplify/mynginx_image1:v1-release | ||
| docker push stacksimplify/mynginx_image1:v1-release | ||
| ``` | ||
| #### Step-5: Verify the same on docker hub | ||
| - Login to docker hub | ||
| - Url: https://hub.docker.com/repositories |
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| # Docker Fundamental Flows | ||
| # Flow-2: Create a new Docker Image, Run as Container and Push to Docker Hub | ||
|
|
||
| ## Flow-1: Pull existing Docker Image from Docker Hub and Run it as a Container | ||
|
|
||
| #### Step-1: Verify Docker version and also login to Docker Hub | ||
| ``` | ||
| docker version | ||
| docker login | ||
| ``` | ||
|
|
||
| #### Step-2: Pull Image from Docker Hub | ||
| ``` | ||
| docker pull stacksimplify/dockerintro-springboot-helloworld-rest-api:1.0.0-RELEASE | ||
| ``` | ||
|
|
||
| #### Step-3: Run the downloaded Docker Image & Access the Application | ||
| - Copy the docker image name from Docker Hub | ||
| ``` | ||
| docker run --name app1 -p 80:8080 -d stacksimplify/dockerintro-springboot-helloworld-rest-api:1.0.0-RELEASE | ||
| http://localhost/hello | ||
| ``` | ||
|
|
||
| #### Step-4: List Running Containers | ||
| ``` | ||
| docker ps | ||
| docker ps -a | ||
| docker ps -a -q | ||
| ``` | ||
|
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| #### Step-5: Connect to Container Terminal | ||
| ``` | ||
| docker exec -it <container-name> /bin/sh | ||
| ``` | ||
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| #### Step-6: Container Stop, Start | ||
| ``` | ||
| docker stop <container-name> | ||
| docker start <container-name> | ||
| ``` | ||
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| #### Step-7: Remove Container | ||
| ``` | ||
| docker rm <container-name> | ||
| ``` | ||
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| ### Step-8: Remove Image | ||
| ``` | ||
| docker image <image-id> | ||
| ``` | ||
|
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||
| ## Flow-2: Create a new Docker Image, Run as Container and Push to Docker Hub | ||
| #### Step-1: Run the base Nginx container | ||
| ## Step-1: Run the base Nginx container | ||
| - Access the URL http://localhost | ||
| ``` | ||
| docker run --name mynginxdefault -p 80:80 -d nginx | ||
| docker ps | ||
| ``` | ||
|
|
||
| #### Step-2: Create Dockerfile and copy our customized index.html | ||
| ## Step-2: Create Dockerfile and copy our customized index.html | ||
| ``` | ||
| FROM nginx | ||
| COPY index.html /usr/share/nginx/html | ||
| ``` | ||
|
|
||
| #### Step-3: Build Docker Image & run it | ||
| ## Step-3: Build Docker Image & run it | ||
| ``` | ||
| docker build -t stacksimplify/mynginx_image1:v1 . | ||
| docker run --name mynginx1 -p 80:80 -d stacksimplify/mynginx_image1:v1 | ||
| ``` | ||
|
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||
| #### Step-4: Tag & push the Docker image to docker hub | ||
| ## Step-4: Tag & push the Docker image to docker hub | ||
| ``` | ||
| docker images | ||
| docker tag stacksimplify/mynginx_image1:v1 stacksimplify/mynginx_image1:v1-release | ||
| docker push stacksimplify/mynginx_image1:v1-release | ||
| ``` | ||
| #### Step-5: Verify the same on docker hub | ||
| ## Step-5: Verify the same on docker hub | ||
| - Login to docker hub | ||
| - Url: https://hub.docker.com/repositories |