Good to know things for docker
Update docker.README.md
1 file changed, +240 -30
+240-30docker.README.md
| @@ -1,30 +1,240 @@ | ||
| 1 | -# Docker Cheatsheet | |
| 2 | -## Pro Tips | |
| 3 | -- Copy .gitignore into .dockerignore | |
| 4 | - | |
| 5 | -## Mantainance | |
| 6 | -### Remove | |
| 7 | -- Remove all dangling images | |
| 8 | - - `docker rmi $(docker images --filter "dangling=true" -q)` | |
| 9 | - | |
| 10 | -## Single image | |
| 11 | -1. Build | |
| 12 | -2. Run | |
| 13 | -3. Remove | |
| 14 | -4. 1 | |
| 15 | -### [Build](https://docs.docker.com/get-started/02_our_app/) | |
| 16 | -```docker build -t getting-started .``` | |
| 17 | -- `-t` name | |
| 18 | -### [Run](https://docs.docker.com/engine/reference/run/) | |
| 19 | -```docker run [OPTIONS] IMAGE[:TAG|@DIGEST] [COMMAND] [ARG...]``` | |
| 20 | -- How to do volumes | |
| 21 | - - `$(pwd)/volume:/volume` for in same folder | |
| 22 | -- Options | |
| 23 | - - `-v`: volume | |
| 24 | - - `-p`: publish but really port `80:80` the left is on the outside and the right is on the inside | |
| 25 | - - `-i`: allows STDIN | |
| 26 | - - `-t`: get a terminal | |
| 27 | - - `--name` yep you have to type out name | |
| 28 | - | |
| 29 | -## Favorite Images | |
| 30 | -- [Node](https://hub.docker.com/_/node) `node:20-alpine3.17` | |
| 1 | +Sure! Here's a Docker cheat sheet in the form of a README with some common complex commands and concepts: | |
| 2 | + | |
| 3 | +```markdown | |
| 4 | +# Docker Cheat Sheet | |
| 5 | + | |
| 6 | +## Table of Contents | |
| 7 | +- [Basic Commands](#basic-commands) | |
| 8 | +- [Images](#images) | |
| 9 | +- [Containers](#containers) | |
| 10 | +- [Volumes](#volumes) | |
| 11 | +- [Networking](#networking) | |
| 12 | +- [Docker Compose](#docker-compose) | |
| 13 | +- [Dockerfile](#dockerfile) | |
| 14 | +- [Miscellaneous](#miscellaneous) | |
| 15 | + | |
| 16 | +## Basic Commands | |
| 17 | + | |
| 18 | +### Build an image | |
| 19 | +```bash | |
| 20 | +docker build -t <image_name> . | |
| 21 | +``` | |
| 22 | + | |
| 23 | +### Run a container | |
| 24 | +```bash | |
| 25 | +docker run <image_name> | |
| 26 | +``` | |
| 27 | + | |
| 28 | +### List running containers | |
| 29 | +```bash | |
| 30 | +docker ps | |
| 31 | +``` | |
| 32 | + | |
| 33 | +### Stop a running container | |
| 34 | +```bash | |
| 35 | +docker stop <container_id> | |
| 36 | +``` | |
| 37 | + | |
| 38 | +### Remove a container | |
| 39 | +```bash | |
| 40 | +docker rm <container_id> | |
| 41 | +``` | |
| 42 | + | |
| 43 | +### List Docker images | |
| 44 | +```bash | |
| 45 | +docker images | |
| 46 | +``` | |
| 47 | + | |
| 48 | +### Remove an image | |
| 49 | +```bash | |
| 50 | +docker rmi <image_id> | |
| 51 | +``` | |
| 52 | + | |
| 53 | +## Images | |
| 54 | + | |
| 55 | +### Pull an image from Docker Hub | |
| 56 | +```bash | |
| 57 | +docker pull <image_name> | |
| 58 | +``` | |
| 59 | + | |
| 60 | +### Push an image to Docker Hub | |
| 61 | +```bash | |
| 62 | +docker push <image_name> | |
| 63 | +``` | |
| 64 | + | |
| 65 | +### Tag an image | |
| 66 | +```bash | |
| 67 | +docker tag <source_image> <target_image> | |
| 68 | +``` | |
| 69 | + | |
| 70 | +## Containers | |
| 71 | + | |
| 72 | +### Start a stopped container | |
| 73 | +```bash | |
| 74 | +docker start <container_id> | |
| 75 | +``` | |
| 76 | + | |
| 77 | +### Attach to a running container | |
| 78 | +```bash | |
| 79 | +docker attach <container_id> | |
| 80 | +``` | |
| 81 | + | |
| 82 | +### Execute a command in a running container | |
| 83 | +```bash | |
| 84 | +docker exec <container_id> <command> | |
| 85 | +``` | |
| 86 | + | |
| 87 | +### Copy files between host and container | |
| 88 | +```bash | |
| 89 | +docker cp <source_path> <container_id>:<target_path> | |
| 90 | +docker cp <container_id>:<source_path> <target_path> | |
| 91 | +``` | |
| 92 | + | |
| 93 | +### Inspect container details | |
| 94 | +```bash | |
| 95 | +docker inspect <container_id> | |
| 96 | +``` | |
| 97 | + | |
| 98 | +## Volumes | |
| 99 | + | |
| 100 | +### Create a named volume | |
| 101 | +```bash | |
| 102 | +docker volume create <volume_name> | |
| 103 | +``` | |
| 104 | + | |
| 105 | +### Mount a volume in a container | |
| 106 | +```bash | |
| 107 | +docker run -v <volume_name>:<container_path> <image_name> | |
| 108 | +``` | |
| 109 | + | |
| 110 | +### Mount a host directory in a container | |
| 111 | +```bash | |
| 112 | +docker run -v <host_path>:<container_path> <image_name> | |
| 113 | +``` | |
| 114 | + | |
| 115 | +### List Docker volumes | |
| 116 | +```bash | |
| 117 | +docker volume ls | |
| 118 | +``` | |
| 119 | + | |
| 120 | +### Remove a volume | |
| 121 | +```bash | |
| 122 | +docker volume rm <volume_name> | |
| 123 | +``` | |
| 124 | + | |
| 125 | +## Networking | |
| 126 | + | |
| 127 | +### Create a user-defined network | |
| 128 | +```bash | |
| 129 | +docker network create <network_name> | |
| 130 | +``` | |
| 131 | + | |
| 132 | +### Run a container on a specific network | |
| 133 | +```bash | |
| 134 | +docker run --network <network_name> <image_name> | |
| 135 | +``` | |
| 136 | + | |
| 137 | +### Connect a container to a network | |
| 138 | +```bash | |
| 139 | +docker network connect <network_name> <container_name> | |
| 140 | +``` | |
| 141 | + | |
| 142 | +### Disconnect a container from a network | |
| 143 | +```bash | |
| 144 | +docker network disconnect <network_name> <container_name> | |
| 145 | +``` | |
| 146 | + | |
| 147 | +### List Docker networks | |
| 148 | +```bash | |
| 149 | +docker network ls | |
| 150 | +``` | |
| 151 | + | |
| 152 | +## Docker Compose | |
| 153 | + | |
| 154 | +### Start services defined in a Compose file | |
| 155 | +```bash | |
| 156 | +docker-compose up | |
| 157 | +``` | |
| 158 | + | |
| 159 | +### Start services in the background | |
| 160 | +```bash | |
| 161 | +docker-compose up -d | |
| 162 | +``` | |
| 163 | + | |
| 164 | +### Stop services defined in a Compose file | |
| 165 | +```bash | |
| 166 | +docker-compose down | |
| 167 | +``` | |
| 168 | + | |
| 169 | +### Scale services | |
| 170 | +```bash | |
| 171 | +docker-compose up --scale <service_name>=<count> | |
| 172 | +``` | |
| 173 | + | |
| 174 | +## Dockerfile | |
| 175 | + | |
| 176 | +### Specify a base image | |
| 177 | +```Dockerfile | |
| 178 | +FROM <base_image> | |
| 179 | +``` | |
| 180 | + | |
| 181 | +### Set the working directory | |
| 182 | +```Dockerfile | |
| 183 | +WORKDIR /app | |
| 184 | +``` | |
| 185 | + | |
| 186 | +### Copy files to the image | |
| 187 | +```Dockerfile | |
| 188 | +COPY <source_path> <target_path> | |
| 189 | +``` | |
| 190 | + | |
| 191 | + | |
| 192 | + | |
| 193 | +### Run commands in the image | |
| 194 | +```Dockerfile | |
| 195 | +RUN <command> | |
| 196 | +``` | |
| 197 | + | |
| 198 | +### Expose a port | |
| 199 | +```Dockerfile | |
| 200 | +EXPOSE <port> | |
| 201 | +``` | |
| 202 | + | |
| 203 | +## Miscellaneous | |
| 204 | + | |
| 205 | +### Monitor resource usage of containers | |
| 206 | +```bash | |
| 207 | +docker stats | |
| 208 | +``` | |
| 209 | + | |
| 210 | +### Remove all stopped containers | |
| 211 | +```bash | |
| 212 | +docker container prune | |
| 213 | +``` | |
| 214 | + | |
| 215 | +### Remove all unused images | |
| 216 | +```bash | |
| 217 | +docker image prune | |
| 218 | +``` | |
| 219 | + | |
| 220 | +### Remove all unused volumes | |
| 221 | +```bash | |
| 222 | +docker volume prune | |
| 223 | +``` | |
| 224 | + | |
| 225 | +### Remove all unused networks | |
| 226 | +```bash | |
| 227 | +docker network prune | |
| 228 | +``` | |
| 229 | + | |
| 230 | +### View logs of a container | |
| 231 | +```bash | |
| 232 | +docker logs <container_id> | |
| 233 | +``` | |
| 234 | + | |
| 235 | +### Clean up Docker resources | |
| 236 | +```bash | |
| 237 | +docker system prune | |
| 238 | +``` | |
| 239 | + | |
| 240 | +``` |