The latest articles on Debug School by Anju John (@anjusubish28_642). https://www.debug.school/anjusubish28_642 https://www.debug.school/images/73st4vprTPsBQnj9jRkTCWi3Z1GJ8ZUC56X-8XUt8VU/rs:fill:90:90/g:sm/mb:500000/ar:1/aHR0cHM6Ly93d3cu/ZGVidWcuc2Nob29s/L3VwbG9hZHMvdXNl/ci9wcm9maWxlX2lt/YWdlLzI4Ny9hNGQw/NzhlMC1kYWRmLTQ1/ZTYtYTA4ZS0zZThh/YjI1ZGM1ZWUucG5n https://www.debug.school/anjusubish28_642 en Anju John Fri, 09 Dec 2022 07:48:40 +0000 https://www.debug.school/anjusubish28_642/day1-assignment1-1p4c https://www.debug.school/anjusubish28_642/day1-assignment1-1p4c <h2> 1. <strong>What is Docker ?</strong> </h2> <p>Docker is a container management tool. Its the company name which released the Docker Engine tool which helps us to build, run and deploy our applications in laptops, desktops ,vms , cloud anywhere .</p> <h2> 2. <strong>What is Container ?</strong> </h2> <p>Container is the running instance of a docker image.</p> <h2> 3. <strong>How Docker work ?</strong> </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>Once request comes , Docker Client will sent the api request to Docker Server . Docker Server will talk to the containerD which is the industry standard for container run time interface .This will connect to the Kernel which creates isolated PID tree, ROOT FS , Network for the container runtime. </code></pre> </div> <h2> 4. <strong>How Container work?</strong> </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>Uses and shares the same linux OS/Kernel and will have multiple PID tree, ROOT FileSystem, Network . These separate PID Tree, ROOT FS, Network creates isolated containers. Each will run as separate isolated process. </code></pre> </div> <h2> 5. <strong>What are the components of Docker?</strong> </h2> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code>Four components - 1. Docker Engine 2. Docker Images 3. Docker Registry 4. Docker Container </code></pre> </div>