docker compose 安装与卸载
安装
二进制包在线安装
curl -L https://github.com/docker/compose/releases/download/1.25.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose
这个方法现在基本行不通,下载太慢了,不推荐使用。
二进制包离线安装
从 https://github.com/docker/compose/releases/download/1.25.0/docker-compose-Linux-x86_64
下载对应的安装包,比如我下载了Linux-x86_64的。
将下载好的安装包剪切到 /usr/local/bin/docker-compose
目录下mv /app/download/docker-compose-Linux-x86_64 /usr/local/bin/docker-compose
添加执行权限sudo chmod +x /usr/local/bin/docker-compose
pip安装
#安装依赖
yum -y install epel-release
#安装PIP
yum -y install python-pip
#升级PIP
pip install --upgrade pip
[root@tymonitor bin]# pip --version
pip 8.1.2 from /usr/lib/python2.7/site-packages (python 2.7)
[root@tymonitor bin]# docker-compose --version
docker-compose version 1.25.0, build b42d419
安装补全插件
curl -L https://raw.githubusercontent.com/docker/compose/1.25.0/contrib/completion/bash/docker-compose > /etc/bash_completion.d/docker-compose
卸载
二进制卸载
rm /usr/local/bin/docker-compose
pip卸载
pip uninstall docker-compose
docker compose 重要命令
命令选项
常用&重要命令
docker compose 模板文件
模板文件是使用 Compose 的核心,涉及到的指令关键字也比较多。本文主要列出几个常见&重要的指令,其他指令大家可以自行百度。默认的模板文件名称为 docker-compose.yml,格式为 YAML 格式。
version: '3'
services:
elasticsearch:
image: elasticsearch:6.8.5
container_name: elasticsearch
restart: always
volumes:
- /app/skywalking/elasticsearch/data:/usr/share/elasticsearch/data:rw
- /app/skywalking/elasticsearch/conf/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
- /app/skywalking/elasticsearch/conf/jvm.options:/usr/share/elasticsearch/config/jvm.options
- /app/skywalking/elasticsearch/logs:/usr/share/elasticsearch/logs:rw
environment:
- TZ=Asia/Shanghai
- xpack.monitoring.enabled=false
- xpack.watcher.enabled=false
ports:
- "9200:9200"
- "9300:9300"
注意每个服务都必须通过 image 指令指定镜像或 build 指令(需要 Dockerfile)等来自动构建生成镜像。如果使用 build 指令,在 Dockerfile 中设置的选项(例如:CMD, EXPOSE, VOLUME, ENV 等) 将会自动被获取,无需在 docker-compose.yml 中重复设置。
常用&重要命令
image: apache/skywalking-oap-server:6.5.0
image: apache/skywalking-ui:6.5.0
ports:
- "3000"
- "8080:8080"
- "127.0.0.1:8001:8001"
volumes:
- /app/skywalking/elasticsearch/data:/usr/share/elasticsearch/data:rw
- conf/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
version: "3"
services:
my_src:
image: mysql:8.0
volumes:
- mysql_data:/var/lib/mysql
volumes:
mysql_data:
ulimits:
nproc: 65535
nofile:
soft: 20000
hard: 40000
version: '3'
services:
web:
build: .
depends_on:
- db
- redis
redis:
image: redis
db:
image: mysql
environment:
SW_STORAGE: elasticsearch
SW_STORAGE_ES_CLUSTER_NODES: elasticsearch:9200
environment:
- SW_STORAGE= elasticsearch
- SW_STORAGE_ES_CLUSTER_NODES=elasticsearch:9200
docker-compose 实战
首先我需要推荐两件事:
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": [
"https://hub-mirror.c.163.com",
"https://mirror.ccs.tencentyun.com",
"https://reg-mirror.qiniu.co"
]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
本次实战我们以docker-compose部署skywalking为例。编写skywalking.yml,内容如下。
version: '3.3'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:6.8.5
container_name: elasticsearch
restart: always
ports:
- 9200:9200
- 9300:9300
environment:
discovery.type: single-node
ulimits:
memlock:
soft: -1
hard: -1
oap:
image: skywalking/oap
container_name: oap
depends_on:
- elasticsearch
links:
- elasticsearch
restart: always
ports:
- 11800:11800
- 12800:12800
environment:
SW_STORAGE: elasticsearch
SW_STORAGE_ES_CLUSTER_NODES: elasticsearch:9200
ui:
image: skywalking/ui
container_name: ui
depends_on:
- oap
links:
- oap
restart: always
ports:
- 8080:8080
environment:
SW_OAP_ADDRESS: oap:12800
部署完成后将其上传至服务器,执行 docker-compose -f /app/skywalking.yml up -d
即可。
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