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docker cheat sheet (easypanel-io#26)
* docker cheat sheet initial * final version
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| # Docker Cheat Sheet | ||
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| ## Installation | ||
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| ``` | ||
| curl -sSL https://get.docker.com | sh | ||
| ``` | ||
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| ## Docker | ||
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| ### Basic Commands | ||
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| | Command | Description | | ||
| | ------------------ | -------------------------------- | | ||
| | `docker --version` | Display Docker version. | | ||
| | `docker info` | Display system-wide information. | | ||
| | `docker help` | Display help for a command. | | ||
| | `docker stats` | Show stats of running containers | | ||
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| ### Container Operations | ||
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| | Command | Description | | ||
| | ----------------------------------------------- | ----------------------------------------------------- | | ||
| | `docker run <options> <image>` | Start a container from an image. | | ||
| | `docker run --name <name> <image>` | Specify a container name | | ||
| | `docker run -d <image>` | Start a container in background | | ||
| | `docker run -v <hostdir>:<targetdir> <image>` | Map a local directory into the container when running | | ||
| | `docker run -p <hostport>:<targetport> <image>` | Publish container's port(s) to the host | | ||
| | `docker exec -it <container> <command>` | Execute a command in a running container. | | ||
| | `docker exec -it <container> <executable>` | Start a shell inside a running container | | ||
| | `docker commit <container>` | Create an image out of container | | ||
| | `docker cp <container>:<source> <target>` | Copy a file from a container to the host | | ||
| | `docker cp <target> <container>:<source> ` | Copy a file from the host to a container | | ||
| | `docker port <container>` | Show mapped ports of a container | | ||
| | `docker ps -a` | List all containers. | | ||
| | `docker ps` | List running containers. | | ||
| | `docker rename <old_name> <new_name>` | Rename a container | | ||
| | `docker rm <container>` | Remove a stopped container. | | ||
| | `docker start <container>` | Start a stopped container. | | ||
| | `docker stop <container>` | Stop a running container. | | ||
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| ### Image Operations | ||
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| | Command | Description | | ||
| | -------------------------------- | ------------------------------------- | | ||
| | `docker images` | List images. | | ||
| | `docker pull <image>` | Pull an image from a Docker registry. | | ||
| | `docker rmi <image>` | Remove an image. | | ||
| | `docker build -t <tag> .` | Build an image from a Dockerfile. | | ||
| | `docker push <image>` | Upload an image to a repository | | ||
| | `docker image prune` | Delete dangling images | | ||
| | `docker image prune -a` | Delete all unused images | | ||
| | `docker build <directory>` | Build an image from a Dockerfile | | ||
| | `docker tag <image> <new_image>` | Tag an image | | ||
| | `docker save <image> > <file>` | Save an image to tar file | | ||
| | `docker load -i <tarfile>` | Load an image from a tar file | | ||
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| ### Docker Registry | ||
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| | Command | Description | | ||
| | ---------------------------------------------------- | -------------------------------------------- | | ||
| | `docker login` | Log into a Docker registry. | | ||
| | `docker logout` | Logout from a Registry | | ||
| | `docker tag <source_image>:<tag> <repository>:<tag>` | Tag an image. | | ||
| | `docker push <repository>:<tag>` | Push an image to a registry. | | ||
| | `docker search text` | Search for an Image on the Official Registry | | ||
| | `docker save -o <repo_tag.tar> <repo>:<tag>` | Export an Image/Repository as a Tarball | | ||
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| ### Docker Networks | ||
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| | Command | Description | | ||
| | ------------------------------------------------- | -------------------------------------- | | ||
| | `docker network ls` | List networks. | | ||
| | `docker network create <name>` | Create a new network. | | ||
| | `docker network connect <network> <container>` | Connect a container to a network. | | ||
| | `docker network disconnect <network> <container>` | Disconnect a container from a network. | | ||
| | `docker network rm <network>` | Remove a network. | | ||
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| ### Docker Volumes | ||
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| | Command | Description | | ||
| | ----------------------------- | ---------------- | | ||
| | `docker volume create <name>` | Create a volume. | | ||
| | `docker volume ls` | List volumes. | | ||
| | `docker volume rm <volume>` | Remove a volume. | | ||
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| ### Cleaning Up | ||
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| | Command | Description | | ||
| | ------------------------ | --------------------------------------------------------------- | | ||
| | `docker system prune` | Remove unused data (containers, volumes, networks, and images). | | ||
| | `docker container prune` | Remove all stopped containers. | | ||
| | `docker image prune` | Remove unused images. | | ||
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| ## Dockerfile | ||
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| | Command | Description | | ||
| | ----------------------------- | ---------------------------------------------------------------------------------------------------- | | ||
| | `FROM <image>` | Base image for the build. | | ||
| | `MAINTAINER <email>` | Set the name of the maintainer (metadata). | | ||
| | `COPY <source> <destination>` | Copy files or directories from the context into the container at the specified destination. | | ||
| | `ADD <source> <destination>` | Similar to COPY but can untar archives and accepts HTTP URLs as well. | | ||
| | `RUN <args>` | Execute an arbitrary command inside the container during the build process. | | ||
| | `USER <name>` | Set the default username or user context for subsequent commands. | | ||
| | `WORKDIR <path>` | Set the default working directory for the container. | | ||
| | `CMD <args>` | Set the default command to be executed when the container starts. This can be overridden at runtime. | | ||
| | `ENV <name> <value>` | Set an environment variable with the specified name and value inside the container. | | ||
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| ## Docker Compose | ||
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| | Command | Description | | ||
| | --------------------- | ------------------------------------------------------ | | ||
| | `docker-compose up` | Start services defined in a `docker-compose.yml` file. | | ||
| | `docker-compose down` | Stop and remove all services defined in the file. | | ||
| | `docker-compose logs` | View logs from services. | | ||
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| ## Docker Swarm | ||
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| | Command | Description | | ||
| | ------------------------------------------------------- | ------------------------------------------------------------- | | ||
| | `docker service ls` | List all services in the Swarm | | ||
| | `docker stack services <stack_name>` | See all running services | | ||
| | `docker service logs <stack_name> <service_name>` | See all services logs | | ||
| | `docker service scale stack_name_service_name=replicas` | Scale services across nodes | | ||
| | `docker image prune` | Prune unused (dangling) images | | ||
| | `docker image prune -a` | Remove all images (including unused containers) | | ||
| | `docker system prune` | Prune the entire system (including volumes and database info) | | ||
| | `docker swarm leave` | Leave Swarm | | ||
| | `docker stack rm <stack_name>` | Remove Swarm (deletes all volume data and database info) | | ||
| | `docker kill $(docker ps -q)` | Kill all running containers | | ||
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| ## Important Links | ||
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| - [Docker CLI](https://docs.docker.com/engine/reference/commandline/cli/) | ||
| - [Dockerfile Reference](https://docs.docker.com/engine/reference/builder/) | ||
| - [Docker Compose File Reference](https://docs.docker.com/compose/compose-file/compose-file-v3/) | ||
| - [Docker Engine API](https://docs.docker.com/engine/api/latest/) | ||
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| <style>{` | ||
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