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Container Ops

  • 53 installs
  • 50 repo stars
  • Updated March 3, 2026
  • chaterm/terminal-skills

Reference for day-to-day Docker container operations: lifecycle, resource limits, logs, and exec.

About

Covers Docker container lifecycle, resource limits, log viewing, and common run parameters. A developer uses it when operating Docker containers day to day.

  • Container lifecycle and run parameters
  • Resource limits and log inspection

Container Ops by the numbers

  • 53 all-time installs (skills.sh)
  • Ranked #710 of 1,435 DevOps & CI/CD skills by installs in the Skillselion catalog
  • Data as of Jul 28, 2026 (Skillselion catalog sync)
npx skills add https://github.com/chaterm/terminal-skills --skill container-ops

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Listed on Skillselion
Installs53
repo stars50
Last updatedMarch 3, 2026
Repositorychaterm/terminal-skills

What it does

Reference for day-to-day Docker container operations: lifecycle, resource limits, logs, and exec.

Files

SKILL.mdMarkdownGitHub ↗

Docker 容器操作

概述

Docker 容器的日常操作,包括生命周期管理、资源限制、日志查看等。

容器生命周期

# 运行容器
docker run -d --name myapp nginx
docker run -it --rm ubuntu bash

# 常用参数
docker run -d \
  --name myapp \
  -p 8080:80 \
  -v /host/path:/container/path \
  -e ENV_VAR=value \
  --restart unless-stopped \
  nginx

# 启停容器
docker start/stop/restart container_name
docker pause/unpause container_name

# 删除容器
docker rm container_name
docker rm -f container_name              # 强制删除
docker container prune                   # 清理停止的容器

容器查看

# 列出容器
docker ps                                # 运行中
docker ps -a                             # 所有
docker ps -q                             # 仅 ID
docker ps --format "table {{.Names}}\t{{.Status}}\t{{.Ports}}"

# 容器详情
docker inspect container_name
docker inspect -f '{{.NetworkSettings.IPAddress}}' container_name

# 资源使用
docker stats
docker stats container_name
docker top container_name

容器交互

# 进入容器
docker exec -it container_name /bin/bash
docker exec -it container_name sh

# 执行命令
docker exec container_name ls -la

# 查看日志
docker logs container_name
docker logs -f container_name            # 实时跟踪
docker logs --tail 100 container_name    # 最后 100 行
docker logs --since 1h container_name    # 最近 1 小时

资源限制

# 内存限制
docker run -d --memory=512m nginx

# CPU 限制
docker run -d --cpus=1.5 nginx
docker run -d --cpu-shares=512 nginx

# 更新运行中容器
docker update --memory=1g container_name
docker update --cpus=2 container_name

文件操作

# 复制文件
docker cp container_name:/path/file ./local
docker cp ./local container_name:/path/

# 查看文件变更
docker diff container_name

# 导出容器
docker export container_name > container.tar
docker import container.tar myimage:tag

常见场景

场景 1:调试容器

# 1. 查看容器状态
docker inspect container_name | jq '.[0].State'

# 2. 查看日志
docker logs --tail 50 container_name

# 3. 进入容器排查
docker exec -it container_name sh

# 4. 查看进程
docker top container_name

场景 2:容器无法启动

# 查看退出原因
docker inspect container_name | jq '.[0].State.ExitCode'
docker inspect container_name | jq '.[0].State.Error'

# 查看日志
docker logs container_name

# 以交互模式启动排查
docker run -it --entrypoint sh image_name

场景 3:批量操作

# 停止所有容器
docker stop $(docker ps -q)

# 删除所有停止的容器
docker container prune -f

# 删除所有容器
docker rm -f $(docker ps -aq)

故障排查

问题排查方法
容器退出docker logs, docker inspect
网络不通docker network inspect, 检查端口映射
磁盘满docker system df, docker system prune
内存溢出docker stats, 检查 OOMKilled
启动慢检查健康检查配置, 镜像大小

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