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How to use docker packaging image
The Docker image packaging guide includes: Writing Dockerfiles to define image basics, packages, and commands. Use docker build to build the image. Use docker tags to tag the image, specifying a name and version. If necessary, use docker push to push the image to the registry.
Apr 15, 2025 am 09:51 AM
How to use docker after deployment
Docker uses six steps after deployment: connect to the container, start the application, access the application, install the software, modify files, continuously integrate, and deploy.
Apr 15, 2025 am 09:48 AM
How to modify the port of container map in docker
The methods to modify the port mapped by the Docker container are: use the --publish or -p flag to restart the container and specify a new mapped port. Use Docker Compose to modify the ports section in the docker-compose.yml file. Modify port mappings using the cURL command via the Docker Engine API.
Apr 15, 2025 am 09:45 AM
How to install miniso on docker
Install MinIO using Docker Steps: Install Docker Pull MinIO Image Run MinIO Container Configuration MinIO, access the web interface and enter the user name and password to create a bucket upload object.
Apr 15, 2025 am 09:42 AM
How to solve the problem of slow restart of docker
Causes of slow Docker restart and its solution: Volume mount: Reduce the number and size of volumes, use sparse volumes. Number of containers: Reduce containers running simultaneously and use orchestration tools. Mirror size: Use smaller basic images, cache images, and optimize image distribution. Resource limitations: Increase host resources, limit container resource usage, and reduce the number of containers. Data volume: Move data out of the container, use chunked storage volumes, and reduce the container size.
Apr 15, 2025 am 09:39 AM
How to delete tag images by docker
To delete the Docker image tag, follow these steps: Log in to the Docker registry. List the mirror tags. Use the docker image tag command to delete the tag, syntax: docker image tag <image-name> <new-image-name> --rm <tag>. Verify that the tag has been deleted.
Apr 15, 2025 am 09:36 AM
How to build a web docker
Steps to build a web application in Docker: Create a Dockerfile, define the basic image and application code. Build a Docker image. Run the Docker container using port map. Test the application by accessing localhost or server IP address and port 80.
Apr 15, 2025 am 09:33 AM
How to execute host commands by docker
There are two ways to execute the host command in a Docker container: use a privileged container, and add the --privileged flag when running the docker run command. Bind the host network namespace to the container and add the --net=host flag when running the docker run command.
Apr 15, 2025 am 09:30 AM
How to share docker data volumes
Shared data volumes allow multiple containers to access the same data. The steps include: creating a data volume, mounting the data volume to a container, and copying the same data volume to another container. Notes include: All changes to the container are immediately visible, with the same permissions, and compatibility. Example: Create a database file data volume, mount it to database and web containers, so that they can both access the database files.
Apr 15, 2025 am 09:27 AM
How to import image files from docker
Two methods of importing Docker image files: directly import the image name: docker pull [mirror name] Import tar archive file: docker load < [mirror file path]
Apr 15, 2025 am 09:24 AM
How to install kafka by docker
Install Kafka using Docker Steps: Make sure Docker is installed on your system. Pull the official Kafka image from Docker Hub: docker pull confluentinc/cp-kafka Create and start Kafka container: docker run -d --name kafka -p 9092:9092 confluentinc/cp-kafka Use docker logs kafka to check the container logs to verify that Kafka is running. Access the Kafka control panel through your browser: http://localh
Apr 15, 2025 am 09:21 AM
How to enter mysql image by docker
To enter the MySQL image in Docker, you need to perform the following steps: Start the MySQL container (docker run -d --name my-mysql -e MYSQL_ROOT_PASSWORD=my-password mysql). Find container ID (docker ps). Enter the container (docker exec -it <container-id> bash). Connect to MySQL (mysql -u root -p).
Apr 15, 2025 am 09:18 AM
How to delete all images by docker
Use the command docker rmi -f $(docker images -a -q) to delete all images in Docker. This command does the following: Get a list of IDs for all images (including the one being used). Force delete these images.
Apr 15, 2025 am 09:15 AM
How to copy redis by docker
Redis in Docker requires setting master-slave replication. Specific steps include: 1. Create the main Redis container; 2. Start the replica container and connect to the main container; 3. Verify replication; 4. Perform failover (if required); 5. Extend replica (optional).
Apr 15, 2025 am 09:12 AM
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