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Preparing Mount Points Create directories for persistent configuration and data storage: mkdir -p /opt/mysql-instance/{conf,storage} Configuring Character Sets Create the configuration file at /opt/mysql-instance/conf/custom.cnf: [mysqld] user=mysql character-set-server=utf8mb4 [client] default-character-set=utf8mb4 [mysql] default-character ...

Pull the Jenkins Docker image. docker pull jenkins/jenkins Set up a persistent storage directory on the host and adjust permissions. mkdir -p /var/jenkins_data chmod 777 /var/jenkins_data Launch a Jenkins container with custom configurations. -d runs the container in detached mode. -p 10240:8080 maps the container's Jenkins web interfac ...

Image Version Selection Identify the appropriate release tag from the official Atlassian Docker Hub repository. Tags follow the pattern {version}-{jdk} (e.g., 8.5.0-jdk17). For production environments, prefer Long-Term Support (LTS) releases over feature releases to ensure stability and extended support cycles. Available versions are listed at: ...

Core Dockerfile Instructions Base Image Specification Purpose Defines the foundation image for the container. Syntax FROM <image-name> FROM <image-name>:<tag> FROM <image-name>@<digest> Example using a Python environment with ODBC support: FROM tadeorubio/pyodbc-msodbcsql17:latest Key Points Must be the first no ...

What Is Docker? Docker is an open-source platform that enables developers to build, deploy, and run applications in isolated environments called containers. It follows a client-server architecture where the Docker client communicates with the Docker daemon (server), which handles container creation, execution, and distribution. Communication oc ...

A Dockerfile is a text document containing a sequence of instructions that Docker uses to assemble a container image. Each line represents a layer, and04 the final image is the result of executing all specified commends in order. Consider this basic Dockerfile for a Node.js application: FROM node:18-alpine LABEL project="my-web-app" W ...

Installation on Linux Download the latest stable binary direct from the project's GitHub repository. Use the following command, which automatically detects your operating system and architecture: curl -L "https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compos ...

Docker Editions: Community vs. Enterprise Docker provides two primary distributions tailored to different use cases: Docker Community Edition (CE) and Docker Enterprise Edition (EE). Docker Community Edition (CE) is the open-source variant maintained by the Docker community. It is available free of charge and is ideally suited for individual de ...

System Information Check Docker Version docker version Displays version information for both Docker client and server components. View Docker System Details docker info Shows comprehensive system information including container counts, images, and configuration. Access Command Help docker --help Displays usage information and lists all avail ...

Environment Setup Operating System: CentOS 7 Docker Version: 17.03.2-ce Docker Compose Version: 1.23.2 Docker Compose Configuration To deploy Kafka with Zookeeper, create a docker-compose.yml file with the following content. This configuration avoids common issues like build failures and connection errors. version: '2' services: zookeeper: ...