Docker Python应用程序示例

mkdir -p ~/Downloads/code/docker/docker-python-app

cd ~/Downloads/code/docker/docker-python-app/

FROM python
COPY . /Users/michael/Downloads/code/docker/
CMD ["python", "/Users/michael/Downloads/code/docker/index.py"]

print("Hello from python file");

sudo docker build -t python-app .

[+] Building 148.9s (7/7) FINISHED                                                                                                        
 => [internal] load build definition from Dockerfile                                                                                 0.0s
 => => transferring dockerfile: 164B                                                                                                 0.0s
 => [internal] load .dockerignore                                                                                                    0.0s
 => => transferring context: 2B                                                                                                      0.0s
 => [internal] load metadata for docker.io/library/python:latest                                                                    16.3s
 => [internal] load build context                                                                                                    0.0s
 => => transferring context: 229B                                                                                                    0.0s
 => [1/2] FROM docker.io/library/python@sha256:dbbfcbf95f6b596d2be1d8f3b368016619f78f829facf6f2e361bea1151794e5                    132.2s
 => => resolve docker.io/library/python@sha256:dbbfcbf95f6b596d2be1d8f3b368016619f78f829facf6f2e361bea1151794e5                      0.0s
 => => sha256:0e29546d541cdbd309281d21a73a9d1db78665c1b95b74f32b009e0b77a6e1e3 54.92MB / 54.92MB                                    78.9s
 => => sha256:9b829c73b52b92b97d5c07a54fb0f3e921995a296c714b53a32ae67d19231fcd 5.15MB / 5.15MB                                       3.7s
 => => sha256:a5d7930b60cc41d81b2b1d47efb5d26f7fafb587c97e539002dce3f85e1b51d2 8.61kB / 8.61kB                                       0.0s
 => => sha256:12163d44217be06a4e38f412fe3dc0bc5eaf4b161bb33cb3e92dbaa778e841fc 2.22kB / 2.22kB                                       0.0s
 => => sha256:cb5b7ae361722f070eca53f35823ed21baa85d61d5d95cd5a95ab53d740cdd56 10.87MB / 10.87MB                                    14.4s
 => => sha256:dbbfcbf95f6b596d2be1d8f3b368016619f78f829facf6f2e361bea1151794e5 2.60kB / 2.60kB                                       0.0s
 => => sha256:6494e4811622b31c027ccac322ca463937fd805f569a93e6f15c01aade718793 54.57MB / 54.57MB                                    27.5s
 => => sha256:6f9f74896dfa93fe0172f594faba85e0b4e8a0481a0fefd9112efc7e4d3c78f7 196.51MB / 196.51MB                                 114.9s
 => => sha256:fcb6d5f7c98604476fda91fe5f61be5b56fdc398814fb15f7ea998f53023e774 6.29MB / 6.29MB                                      30.9s
 => => sha256:290438add9daf4296e8ff2f1f1e79ede5d3bb3ee3640f44849427cb3b6157720 19.11MB / 19.11MB                                    41.1s
 => => sha256:ab11df61f44a6b77209e00a28457ff8da743102aa2007d2278ebc9845fa17d38 234B / 234B                                          41.3s
 => => sha256:de4793a5fa46b1a184779f1aff361a64f9bba216d01af8fa63135d5c11bc5a01 2.35MB / 2.35MB                                      42.9s
 => => extracting sha256:0e29546d541cdbd309281d21a73a9d1db78665c1b95b74f32b009e0b77a6e1e3                                            4.7s
 => => extracting sha256:9b829c73b52b92b97d5c07a54fb0f3e921995a296c714b53a32ae67d19231fcd                                            0.6s
 => => extracting sha256:cb5b7ae361722f070eca53f35823ed21baa85d61d5d95cd5a95ab53d740cdd56                                            0.7s
 => => extracting sha256:6494e4811622b31c027ccac322ca463937fd805f569a93e6f15c01aade718793                                            6.6s
 => => extracting sha256:6f9f74896dfa93fe0172f594faba85e0b4e8a0481a0fefd9112efc7e4d3c78f7                                           13.5s
 => => extracting sha256:fcb6d5f7c98604476fda91fe5f61be5b56fdc398814fb15f7ea998f53023e774                                            0.6s
 => => extracting sha256:290438add9daf4296e8ff2f1f1e79ede5d3bb3ee3640f44849427cb3b6157720                                            1.4s
 => => extracting sha256:ab11df61f44a6b77209e00a28457ff8da743102aa2007d2278ebc9845fa17d38                                            0.0s
 => => extracting sha256:de4793a5fa46b1a184779f1aff361a64f9bba216d01af8fa63135d5c11bc5a01                                            0.4s
 => [2/2] COPY . /Users/michael/Downloads/code/docker/                                                                               0.2s
 => exporting to image                                                                                                               0.0s
 => => exporting layers                                                                                                              0.0s
 => => writing image sha256:df1ae254aacff5a5760df890cce01f8c4489e43a35d39cf64f6e5878e6ae01fd                                         0.0s
 => => naming to docker.io/library/python-app

docker images
REPOSITORY      TAG       IMAGE ID       CREATED              SIZE
python-app      latest    df1ae254aacf   About a minute ago   917MB
mysql           5.7       f07dfa83b528   12 months ago        448MB
redis           5         5a3c8e192943   13 months ago        98.4MB
logstash        7.6.2     fa5b3b1e9757   21 months ago        813MB
elasticsearch   7.6.2     f29a1ee41030   21 months ago        791MB
hello-world     latest    bf756fb1ae65   2 years ago          13.3kB
rabbitmq        3.7.15    b3639fca0afd   2 years ago          149MB
nginx           1.10      0346349a1a64   4 years ago          182MB

sudo docker run python-app
Password:
Hello from python file