Introduction To Docker
- the main disdvantage of vms is the lot of wastage of resorces such as ram disk space are completely not utilising by the microservices which are running that vms
- docker containers are light weight
- in docker containers we dont need pre allocate any ram , disk space .. it self takes the resources according to the application requirements
Introduction to Containers
- Container is a light weight machine which will provides run time envuronment for our application.
- To effiecient use of infra we use containers.
- It is also used for continuos delivery and Continous deployment.
- Containers are pretty fast and secure compare to vms.
- With minimal downtime we can up our application.
- it takes less space.
- We can run our application anywhere when we use containers.
Introduction to Images
- Image is nothing but a template.
- simply image is a file to excecute our code in containers
- By writing the docker files we build the images, from that images we can run our containers.