Step By Step download Docker images without using the pull command
Step 1: Created on the file called without_pull.py on this we have kept the Python code to interact with the docker API.
import docker
# Initialize the Docker client
client = docker.from_env()
# Pull the Docker image
image_name = "nginx:latest"
client.images.pull(image_name)
Import Docker SDK: By importing the Docker SDK for Python, we can use our Python script to communicate with the Docker Engine.
import docker
Initialize Docker client: Here, we use the from_env() function to initialize a Docker client object called client. Using environment variables or Docker configuration files for configuration, this method builds a client that is set up to connect to the local Docker daemon.
client = docker.from_env()
Pull Docker image: In this case, “nginx:latest” is the name and tag of the Docker image we wish to pull. The provided Docker image is then pulled from the configured Docker registry by calling the client.images.pull() function.
- The activities required to retrieve the designated image are carried out by the Docker SDK, which also manages communication with the Docker daemon. It instructs the Docker daemon to retrieve the image from the registry by sending it a request.
- Docker pulls the image from the registry if it is not already on the system. Following a successful pull, the image is saved locally on the system and can be used to build containers.
image_name = "nginx:latest"
client.images.pull(image_name)
Step 2: List the docker images. No Image is available on the docker.
docker images
Step 3: Execute the python script by using the below command.
python without_pull.py
Step 4: Again list the images the image was successfully downloaded.
Step 5: Now we can try with the another image. Here we are trying the tomcat here is the dockerfile.
Step 6: Now we can execute the python script the script was executed successfully and here is the tomcat downloaded successfully.
Step 7: Here we can download the docker module using the pip module.
How do I Download Docker Images Without Using the Pull Command?
Nowadays, effective packaging and deployment are closely associated with Docker in the world of containerized apps. A common Docker task is pulling images from registries, which can be completed with the all-purpose docker pull command. However, you do not have to use this command-line interface to retrieve Docker images; there are other alternatives. In this post, we look at two of these approaches: directly referencing images in Dockerfiles and using Docker’s APIs programmatically. By learning these techniques, developers may improve their Docker workflows and gain a greater understanding of the adaptability and versatility of Docker image management.