1
docker ps      # 列出正在运行的容器
2
docker ps -a   # 列出所有容器
3
docker ps -n=? # 列出最近创建的n个容器
4
docker ps -aq  # 列出所以容器的id
5

6
[root@localhost talen]# docker ps
7
CONTAINER ID   IMAGE     COMMAND   CREATED   STATUS    PORTS     NAMES
8
[root@localhost talen]# docker ps -a
9
CONTAINER ID   IMAGE         COMMAND    CREATED          STATUS                      PORTS     NAMES
10
ee4f8d2f78fb   hello-world   "/hello"   55 minutes ago   Exited (0) 55 minutes ago             amazing_moore
11
[root@localhost talen]# docker ps -n=2
12
CONTAINER ID   IMAGE         COMMAND    CREATED          STATUS                      PORTS     NAMES
13
ee4f8d2f78fb   hello-world   "/hello"   55 minutes ago   Exited (0) 55 minutes ago             amazing_moore
14
[root@localhost talen]# docker ps -aq
15
ee4f8d2f78fb

1
[root@localhost talen]# docker logs --help
2
Usage:  docker logs [OPTIONS] CONTAINER
3
Options:
4
      --details        显示日志中提供的额外详细信息
5
  -f, --follow         实时跟踪日志输出（持续刷新，像 tail -f）
6
      --since string   显示从某个时间点之后的日志
7
                       支持时间戳（如 "2013-01-02T13:23:37Z"）
8
                       或相对时间（如 "42m" 表示 42 分钟）
9
  -n, --tail string    从日志末尾显示指定行数（默认显示全部）
10
  -t, --timestamps     显示日志时间戳
11
      --until string   显示到某个时间点之前的日志
12
                       支持时间戳或相对时间
13
# 常用
14
docker logs -tf  # 全部显示
15
docker logs -tf --tail [n] 容器id   # n是显示日志条数

1
[root@localhost talen]# docker inspect 87de88f4c364
2
[
3
    {
4
        "Id": "87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6",
5
        "Created": "2026-04-12T12:22:29.345068528Z",
6
        "Path": "/bin/bash",
7
        "Args": [],
8
        "State": {
9
            "Status": "running",
10
            "Running": true,
11
            "Paused": false,
12
            "Restarting": false,
13
            "OOMKilled": false,
14
            "Dead": false,
15
            "Pid": 21140,
16
            "ExitCode": 0,
17
            "Error": "",
18
            "StartedAt": "2026-04-12T12:22:29.714975509Z",
19
            "FinishedAt": "0001-01-01T00:00:00Z"
20
        },
21
        "Image": "sha256:eeb6ee3f44bd0b5103bb561b4c16bcb82328cfe5809ab675bb17ab3a16c517c9",
22
        "ResolvConfPath": "/var/lib/docker/containers/87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6/resolv.conf",
23
        "HostnamePath": "/var/lib/docker/containers/87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6/hostname",
24
        "HostsPath": "/var/lib/docker/containers/87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6/hosts",
25
        "LogPath": "/var/lib/docker/containers/87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6/87de88f4c364730f786e25c1aea30c557c28212884b1d5c91181a9c7114bfad6-json.log",
26
        "Name": "/centos",
27
        "RestartCount": 0,
28
        "Driver": "overlay2",
29
        "Platform": "linux",
30
        "MountLabel": "",
31
        "ProcessLabel": "",
32
        "AppArmorProfile": "",
33
        "ExecIDs": null,
34
        "HostConfig": {
35
            "Binds": null,
36
            "ContainerIDFile": "",
37
            "LogConfig": {
38
                "Type": "json-file",
39
                "Config": {}
40
            },
41
            "NetworkMode": "bridge",
42
            "PortBindings": {},
43
            "RestartPolicy": {
44
                "Name": "no",
45
                "MaximumRetryCount": 0
46
            },
47
            "AutoRemove": false,
48
            "VolumeDriver": "",
49
            "VolumesFrom": null,
50
            "ConsoleSize": [
51
                32,
52
                114
53
            ],
54
            "CapAdd": null,
55
            "CapDrop": null,
56
            "CgroupnsMode": "host",
57
            "Dns": [],
58
            "DnsOptions": [],
59
            "DnsSearch": [],
60
            "ExtraHosts": null,
61
            "GroupAdd": null,
62
            "IpcMode": "private",
63
            "Cgroup": "",
64
            "Links": null,
65
            "OomScoreAdj": 0,
66
            "PidMode": "",
67
            "Privileged": false,
68
            "PublishAllPorts": false,
69
            "ReadonlyRootfs": false,
70
            "SecurityOpt": null,
71
            "UTSMode": "",
72
            "UsernsMode": "",
73
            "ShmSize": 67108864,
74
            "Runtime": "runc",
75
            "Isolation": "",
76
            "CpuShares": 0,
77
            "Memory": 0,
78
            "NanoCpus": 0,
79
            "CgroupParent": "",
80
            "BlkioWeight": 0,
81
            "BlkioWeightDevice": [],
82
            "BlkioDeviceReadBps": [],
83
            "BlkioDeviceWriteBps": [],
84
            "BlkioDeviceReadIOps": [],
85
            "BlkioDeviceWriteIOps": [],
86
            "CpuPeriod": 0,
87
            "CpuQuota": 0,
88
            "CpuRealtimePeriod": 0,
89
            "CpuRealtimeRuntime": 0,
90
            "CpusetCpus": "",
91
            "CpusetMems": "",
92
            "Devices": [],
93
            "DeviceCgroupRules": null,
94
            "DeviceRequests": null,
95
            "MemoryReservation": 0,
96
            "MemorySwap": 0,
97
            "MemorySwappiness": null,
98
            "OomKillDisable": false,
99
            "PidsLimit": null,
100
            "Ulimits": [],
101
            "CpuCount": 0,
102
            "CpuPercent": 0,
103
            "IOMaximumIOps": 0,
104
            "IOMaximumBandwidth": 0,
105
            "MaskedPaths": [
106
                "/proc/asound",
107
                "/proc/acpi",
108
                "/proc/kcore",
109
                "/proc/keys",
110
                "/proc/latency_stats",
111
                "/proc/timer_list",
112
                "/proc/timer_stats",
113
                "/proc/sched_debug",
114
                "/proc/scsi",
115
                "/sys/firmware",
116
                "/sys/devices/virtual/powercap"
117
            ],
118
            "ReadonlyPaths": [
119
                "/proc/bus",
120
                "/proc/fs",
121
                "/proc/irq",
122
                "/proc/sys",
123
                "/proc/sysrq-trigger"
124
            ]
125
        },
126
        "GraphDriver": {
127
            "Data": {
128
                "LowerDir": "/var/lib/docker/overlay2/8630bb48bc947c02a430b63a12108500642233c6cd8ba6e151bd6e12684b6fe6-init/diff:/var/lib/docker/overlay2/b2153c292fec38eaa2da742fcfbc3c3fab2afabc4c92e7718c2167cfdf036ab5/diff",
129
                "MergedDir": "/var/lib/docker/overlay2/8630bb48bc947c02a430b63a12108500642233c6cd8ba6e151bd6e12684b6fe6/merged",
130
                "UpperDir": "/var/lib/docker/overlay2/8630bb48bc947c02a430b63a12108500642233c6cd8ba6e151bd6e12684b6fe6/diff",
131
                "WorkDir": "/var/lib/docker/overlay2/8630bb48bc947c02a430b63a12108500642233c6cd8ba6e151bd6e12684b6fe6/work"
132
            },
133
            "Name": "overlay2"
134
        },
135
        "Mounts": [],
136
        "Config": {
137
            "Hostname": "87de88f4c364",
138
            "Domainname": "",
139
            "User": "",
140
            "AttachStdin": true,
141
            "AttachStdout": true,
142
            "AttachStderr": true,
143
            "Tty": true,
144
            "OpenStdin": true,
145
            "StdinOnce": true,
146
            "Env": [
147
                "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
148
            ],
149
            "Cmd": [
150
                "/bin/bash"
151
            ],
152
            "Image": "eeb6ee3f44bd",
153
            "Volumes": null,
154
            "WorkingDir": "",
155
            "Entrypoint": null,
156
            "OnBuild": null,
157
            "Labels": {
158
                "org.label-schema.build-date": "20201113",
159
                "org.label-schema.license": "GPLv2",
160
                "org.label-schema.name": "CentOS Base Image",
161
                "org.label-schema.schema-version": "1.0",
162
                "org.label-schema.vendor": "CentOS",
163
                "org.opencontainers.image.created": "2020-11-13 00:00:00+00:00",
164
                "org.opencontainers.image.licenses": "GPL-2.0-only",
165
                "org.opencontainers.image.title": "CentOS Base Image",
166
                "org.opencontainers.image.vendor": "CentOS"
167
            }
168
        },
169
        "NetworkSettings": {
170
            "Bridge": "",
171
            "SandboxID": "76cee3fbfad68e4705bb5a30db867bd4170bf45fc0e2561e87654f2924300c64",
172
            "SandboxKey": "/var/run/docker/netns/76cee3fbfad6",
173
            "Ports": {},
174
            "HairpinMode": false,
175
            "LinkLocalIPv6Address": "",
176
            "LinkLocalIPv6PrefixLen": 0,
177
            "SecondaryIPAddresses": null,
178
            "SecondaryIPv6Addresses": null,
179
            "EndpointID": "a6777f36901587642047f9d233d2082f449897e9b335b3f4070db96c5f74945f",
180
            "Gateway": "172.17.0.1",
181
            "GlobalIPv6Address": "",
182
            "GlobalIPv6PrefixLen": 0,
183
            "IPAddress": "172.17.0.2",
184
            "IPPrefixLen": 16,
185
            "IPv6Gateway": "",
186
            "MacAddress": "02:42:ac:11:00:02",
187
            "Networks": {
188
                "bridge": {
189
                    "IPAMConfig": null,
190
                    "Links": null,
191
                    "Aliases": null,
192
                    "MacAddress": "02:42:ac:11:00:02",
193
                    "NetworkID": "3fcf7a24761165d3d1176480a602c7549372b42e2bfe60252071b78d7e3bda5d",
194
                    "EndpointID": "a6777f36901587642047f9d233d2082f449897e9b335b3f4070db96c5f74945f",
195
                    "Gateway": "172.17.0.1",
196
                    "IPAddress": "172.17.0.2",
197
                    "IPPrefixLen": 16,
198
                    "IPv6Gateway": "",
199
                    "GlobalIPv6Address": "",
200
                    "GlobalIPv6PrefixLen": 0,
201
                    "DriverOpts": null,
202
                    "DNSNames": null
203
                }
204
            }
205
        }
206
    }
207
]

1
# 基础镜像
2
FROM centos:7
3
MAINTAINER talen<2746395413@qq.com> #作者
4

5
# 1. 修复 CentOS 7 停止维护导致的 yum 源失效问题
6
RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-* && \
7
    sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
8

9
# 2. 安装常用工具并清理缓存以减小镜像体积
10
RUN yum -y install vim && yum clean all
11

12
# 3. 添加环境压缩包（ADD 会自动解压）
13
ADD jdk-8u11-linux-x64.tar.gz /usr/local/
14
ADD apache-tomcat-9.0.22.tar.gz /usr/local/
15

16
# 4. 设置环境变量
17
ENV JAVA_HOME /usr/local/jdk1.8.0_11
18
ENV CATALINA_HOME /usr/local/apache-tomcat-9.0.22
19
ENV PATH $PATH:$JAVA_HOME/bin:$CATALINA_HOME/bin
20

21
# 5. 设置工作目录
22
WORKDIR $CATALINA_HOME
23

24
# 6. 开放端口
25
EXPOSE 8080
26

27
# 7. 启动 Tomcat（使用 run 模式可以直接把日志输出到控制台，无需 tail -F）
28
CMD ["catalina.sh", "run"]

1
# 登入
2
[root@localhost code]# docker login --username=aliyun9669157139 crpi-ovjnr512v641s4ad.cn-hangzhou.personal.cr.aliyuncs.com
3
Password:
4
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
5
Configure a credential helper to remove this warning. See
6
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
7
Login Succeeded
8
# 打标签 写上作者信息
9
[root@localhost code]# docker tag 00293d9866e6  crpi-ovjnr512v641s4ad.cn-hangzhou.personal.cr.aliyuncs.com/talen
10
zhu/mytomcat:1.0
11
# 上传
12
[root@localhost code]# docker push crpi-ovjnr512v641s4ad.cn-hangzhou.personal.cr.aliyuncs.com/talenzhu/mytomcat:1.0
13
The push refers to repository [crpi-ovjnr512v641s4ad.cn-hangzhou.personal.cr.aliyuncs.com/talenzhu/mytomcat]
14
395f1d987790: Pushed
15
52768266f2d3: Pushed
16
385be9a3d6bd: Pushed
17
db3873a5df05: Pushed
18
030f1c702978: Pushed
19
174f56854903: Pushed
20
1.0: digest: sha256:b7870c12b17f2d4ecd9f81505bdae15571ccc8a6d758ddc411e87f51e6c41ae8 size: 1580

1
# syntax=docker/dockerfile:1
2
FROM python:3.12-alpine  # Builds an image with the Python 3.12 image
3
WORKDIR /code  # Sets the working directory to `/code`
4

5
# 重点：在安装包之前，先切换为阿里云镜像源（加速核心）
6
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
7

8
ENV FLASK_APP=app.py  # Sets environment variables used by the `flask` command
9
ENV FLASK_RUN_HOST=0.0.0.0
10
RUN apk add --no-cache gcc musl-dev linux-headers  # Installs `gcc` and other dependencies
11
COPY requirements.txt .  # Copies `requirements.txt`
12
RUN pip install -r requirements.txt  # Installs the Python dependencies
13
COPY . .  # Copies the current directory `.` in the project to the workdir `.` in the image
14
EXPOSE 5000
15
CMD ["flask", "run", "--debug"]  # Sets the default command for the container to `flask run --debug`

1
services:
2
  web:
3
    build: .
4
    ports:
5
      - "${APP_PORT}:5000"
6
    environment:
7
      - REDIS_HOST=${REDIS_HOST}
8
      - REDIS_PORT=${REDIS_PORT}
9
    depends_on:
10
      redis:
11
        condition: service_healthy # 检查条件就是服务的健康检测
12

13
  redis:
14
    image: redis:alpine
15
    healthcheck: # 监控检测
16
      test: ["CMD", "redis-cli", "ping"]
17
      interval: 5s
18
      timeout: 3s
19
      retries: 5
20
      start_period: 10s

1
services:
2
  web:
3
    build: .
4
    ports:
5
      - "${APP_PORT}:5000"
6
    environment:
7
      - REDIS_HOST=${REDIS_HOST}
8
      - REDIS_PORT=${REDIS_PORT}
9
    depends_on:
10
      redis:
11
        condition: service_healthy
12
    develop:
13
      watch:
14
        - action: sync+restart
15
          path: .
16
          target: /code
17
        - action: rebuild
18
          path: requirements.txt
19

20
  redis:
21
    image: redis:alpine
22
    healthcheck:
23
      test: ["CMD", "redis-cli", "ping"]
24
      interval: 5s
25
      timeout: 3s
26
      retries: 5
27
      start_period: 10s

1
services:
2
  web:
3
    build: .
4
    ports:
5
      - "0.0.0.0:${APP_PORT}:5000"
6
    environment:
7
      - REDIS_HOST=${REDIS_HOST}
8
      - REDIS_PORT=${REDIS_PORT}
9
    depends_on:
10
      redis:
11
        condition: service_healthy
12
    develop:
13
      watch:
14
        - action: sync+restart
15
          path: .
16
          target: /code
17
        - action: rebuild
18
          path: requirements.txt
19

20
  redis:
21
    image: redis:alpine
22
    volumes:
23
      - redis-data:/data
24
    healthcheck:
25
      test: ["CMD", "redis-cli", "ping"]
26
      interval: 5s
27
      timeout: 3s
28
      retries: 5
29
      start_period: 10s
30

31
volumes:
32
  redis-data: