Freaks City

Creating the Base Image This process builds an Nginx imagee from AlmaLinux:latest that automatically starts Nginx when containers launch. Setting Up Files mkdir ~/docker-nginx cd ~/docker-nginx echo 'Nginx operational' > index.html Dockerfile Configuration FROM almalinux:latest RUN yum clean all && \ yum -y install epel-release ...

Snipe-IT is an open-source application for tracking IT assets, including hardware, software licenses, and accessories. Setting Up the Docker Environment Install Docker and Docker Compose on your host system. Configuring Environment Variables Create a directory for configuration files and generate an environment file. mkdir -p /opt/snipe-it/conf ...

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 ...