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+# Creation of snyk account
+
+### 1. Snyk Account creation
+ Goto https://snyk.io/ and click on Signup
+
+![Alt text](./images/sny_login_page.png)
+
+#### 1a. 2 ways of authentications are available select appropriate ones.
+Here, Lets go with GitHub based authentication, Click on Github from the image below.
+
+![Alt text](./images/sny_login_page.png)
+
+#### 1b. select github as shown below, and clik on next steps from the below page
+![Alt text](./images/snyk_2nd_page.png)
+Enter the credentials of the github from which snyk to be authenticated.
+![Alt text](./images/github_user_name_and_pass.png)
+
+#### 1c. select the repository type public or private as shown below and click on next step
+![Alt text](./images/select_repositories.png)
+
+#### 1d. click on the authenticate github
+![Alt text](./images/authenticate_github.png)
+
+your snyk will be authneticated. Now you can use snyk to scan your repos from the UI.
+The repos will be listed if you have multiple repos in your namespace. You can select any one repo to scan. The  results will be shown as below.
+
+### 2. Now API token has to be created to use it in the jenkins pipeline and also to use Snyk CLI
+#### 2a. Goto your username(1) and click on the Account-settings(2) as shown below
+
+ ![Alt text](./images/create_api_token.png)
+
+#### 2b. Click to the below shown location, It will show you the API token for your authenticated account. Copy it and store it safely, This will be required during authentication of your jenkins slave node where the pipelines are run.
+
+ ![Alt text](./images/token_path.png)
+
+### 3. Installing Docker if not available
+follow the steps mentioned in the link. https://docs.docker.com/engine/install/ubuntu/
+
+    sudo apt-get update
+    sudo apt-get install ca-certificates curl gnupg
+
+    sudo install -m 0755 -d /etc/apt/keyrings
+    
+    curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+    
+    sudo chmod a+r /etc/apt/keyrings/docker.gpg
+
+    echo \
+    "deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
+    "$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
+    sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+    sudo apt-get update
+
+    sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+    sudo docker run hello-world
+
+    sudo groupadd docker
+
+    sudo usermod -aG docker $USER
+
+Log out and log back in so that your group membership is re-evaluated.
+
+### 4. Installing the CLI in the jenkins Slave node. 
+
+#### 4a. Login to the jenkins slave machine, you can usethe following command.
+    ssh -i "<pem file>" ubuntu@<Public IPv4 DNS>
+#### 4b. Install snyk CLI, Run the following commands
+    curl https://static.snyk.io/cli/latest/snyk-linux -o snyk
+   
+    chmod +x ./snyk
+   
+    mv ./snyk /usr/local/bin/ 
+
+    snyk auth <SNYK_TOKEN>  
+
+This token is aquired in the 2b step. Copy that token here
+
+After the command is excuted, the below image will be displayed. 
+ ![Alt text](./images/authenticated.png)
+
+
+
+#### 4c. Report generation and Uploading to snyk UI
+
+ ##### Install npm 
+    
+    sudo apt update
+
+    sudo apt install nodejs
+
+    node -v
+
+    sudo apt install npm
+
+ ##### snyk-to-html tool which will help in the sending the CLI reports to html
+
+    sudo npm install snyk-to-html -g
+
+##### To get the reports run the below command which will scan the docker images.
+
+    snyk container test <image_name>:<image_tag> --json | snyk-to-html --output snykreport.html
+
+ ![Alt text](./images/snyk_container_scan.png)
+
+##### Scan code and get reports
+
+snyk code test --json | snyk-to-html --output codescan.html
+
+C:\Users\SAIKIRAN SAYABUGARI\Desktop\Git Apr-2023\apr-gitclass\snyk documentation\snyk_code_test.png
+![Alt text](./images/snyk_code_test.png)
+
+
+
+
+
+
+
+
+# TRIVY Image and code scan
+Trivy is used as an alternative to snyk. Trivy is an opensource. Either of the tools can be used. 
+
+Trivy installation. Execute the below commands.
+
+    wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | gpg --dearmor | sudo tee /usr/share/keyrings/trivy.gpg > /dev/null
+
+    echo "deb [signed-by=/usr/share/keyrings/trivy.gpg] https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main" | sudo tee -a /etc/apt/sources.list.d/trivy.list
+
+    sudo apt-get update
+
+    sudo apt-get install trivy
+
+The docker image has to be built before generating the trivy reports. 
+
+    docker build -t "$imagename" -f "$dockerfile" $dockerfile_dir --no-cache
+
+
+Execute the below Trivy command to generate the report for image
+
+    trivy image $image:latest --ignore-unfixed --format template --template "@/usr/local/share/trivy/templates/html.tpl" -o report.html
+
+The above command will generate the report as shown below. Open the report.html to view this. 
+
+ ![Alt text](./images/trivy_image_scan.png)
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