code-style-container.md

+## Code style check container.
+
+1.  Installing docker. Open up a new Terminal by pressing `Ctrl` + `Alt` + `t`
+    ```sh
+    sudo apt update
+    sudo apt install git 
+    git clone https://gitlab.iotiot.in/newbies/pre-office-office/docker-containers.git
+    cd docker-containers
+    sudo install-docker-ubuntu-16.04.sh
+    ```
+    -   **Note:** The script will automatically install and **reboot** your system.
+    -   **Note:** These steps only work on Ubuntu 16.04 OS. Any other OS will cause an error.
+
+    -   After the system reboots, Open up a new Terminal by pressing `Ctrl` + `Alt` + `t`.
+    -   Run command `sudo docker --version` to verify that docker is successfully installed.
+        ```sh
+        # The output should be a docker version
+        $ sudo docker --version                             
+        Docker version 19.03.13, build 4484c46d9d
+        ```
+2.  Start docker container by running command, in the same terminal 
+    ```sh 
+    cd docker-containers/coding-style-container
+    sudo ./start
+    ```
+3.  You will get a new Terminal prompt, 
+    ![terminal](upload/Selection_018.png)
+
+4.  Clone the project repository
+    ```sh
+    git clone {your-project-repo}
+    cd {your-project-name}
+    ```
+    For example: Lets say your project repository is `https://gitlab.iotiot.in/newbies/pre-office-office/devops-trial.git` then the steps are 
+    ```sh
+    git clone https://gitlab.iotiot.in/newbies/pre-office-office/devops-trial.git
+    cd devops-trial
+    ```
+
+5.  Check for vulnerabilities using **flawfinder**, run command
+    ```sh
+    flawfinder {folder-which-contains-your-code}
+    ```
+
+6.  Check for MISRA C/CPP violations, run commands 
+    ```sh
+    cppcheck cppcheck --dump --quiet {folder-which-contains-your-code}/*
+    python3 /usr/share/cppcheck/addons/misra.py  {folder-which-contains-your-code}/*.dump
+    ```
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