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Projects
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Notes
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Scholar
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GIS4 - 2020
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GIS4 - 2019
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Docker
Pull an image
$ docker pull nginx:latest
latest: Pulling from library/nginx
b8f262c62ec6: Pull complete
a6639d774c21: Pull complete
22a7aa8442bf: Pull complete
Digest: sha256:9688d0dae8812dd2437947b756393eb0779487e361aa2ffbc3a529dca61f102c
Status: Downloaded newer image for nginx:latest
List local images
$ docker image ls
REPOSITORY TAG IMAGE ID CREATED SIZE
bm-tftp 0.1 7ddc54652dcf 10 days ago 71.4MB
debian stable-slim da838f7eb4f8 11 days ago 69.2MB
batman-dhcp latest deb682e07fda 2 weeks ago 73.3MB
rabbitmq 3-management d55229deb03e 8 weeks ago 187MB
postgres 11 b7af9a7c9a68 3 months ago 282MB
alpine latest a24bb4013296 3 months ago 5.57MB
rabbitmq 3.7-management c497955c219a 4 months ago 180MB
redis alpine 29c713657d31 4 months ago 31.6MB
golang 1.13.11-buster 6a67120df3f4 4 months ago 803MB
nginx alpine 89ec9da68213 5 months ago 19.9MB
djfarrelly/maildev latest 8c016b0ceb3c 14 months ago 79.8MB
mysql 5.6.43 bc788a6a2745 18 months ago 256MB
postgres 10.2-alpine 400ef39e0dbf 2 years ago 39.5MB
Delete local image
$ docker image rm 926fbd714c0e
Deleted: sha256:926fbd714c0e0ade9f56cfde5854b507e29dea584d747267a9d1fd92e4a21995
Deleted: sha256:c086d58b3b8a851bb63694c637725d89b4bec9bf42bc22afbcea80e04d6248f6
Deleted: sha256:de230fa08e61512837c758f79de4451b59aa7b35b059536ce8f092a798170341
Deleted: sha256:cce1de5fafa9b555b784b8aceb95f04a84bb24170aa59a017cfd0acd62248e64
Deleted: sha256:7bcfcbd4f645beaa4dc663a1c1d683e1eaf084c5a3a04ceeddd1ccd4a7ece044
Deleted: sha256:874b3e23fbaf3e9c3c08b0c8b3130633f9fc1b91bf49a41540f28cfed7d916a2
Deleted: sha256:4c07fcdde2c433bb04a6b989a78797648bf3603d4a1775c4719a6d18f08fbd27
Start an image attached
$ docker run -it nginx:latest
# detach with ^C-P ^C-Q
Start an image detached
$ docker run -d nginx:latest
39a0263258f66217fc751aeb799b586d9d14b709f6d2a5dbd502afaa7e89b636
List containers
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
b9568988ad7a nginx:latest "nginx -g 'daemon of…" 3 minutes ago Up 3 minutes 80/tcp agitated_feynman
39a0263258f6 nginx:latest "nginx -g 'daemon of…" 4 minutes ago Up 4 minutes 80/tcp suspicious_bardeen
Show logs of a container
$ docker logs 309fdd3451a9
Initializing Gerrit site ...
Generating SSH host key ... rsa... ed25519... ecdsa 256... ecdsa 384... ecdsa 521... done
Initialized /var/gerrit
Reindexing projects: 100% (2/2)
Reindexed 2 documents in projects index in 0.3s (7.4/s)
[2019-09-11 13:27:14,517] [main] INFO com.google.gerrit.server.git.LocalDiskRepositoryManager : Defaulting core.streamFileThreshold to 866m
[2019-09-11 13:27:15,890] [main] INFO com.google.gerrit.server.cache.h2.H2CacheFactory : Enabling disk cache /var/gerrit/cache
[2019-09-11 13:27:16,091] [main] INFO com.google.gerrit.server.git.WorkQueue : Adding metrics for 'WorkQueue' queue
[2019-09-11 13:27:16,108] [main] INFO com.google.gerrit.server.git.WorkQueue : Adding metrics for 'Index-Interactive' queue
[2019-09-11 13:27:16,117] [main] INFO com.google.gerrit.server.git.WorkQueue : Adding metrics for 'Index-Batch' queue
[2019-09-11 13:27:16,178] [main] INFO com.google.gerrit.server.git.WorkQueue : Adding metrics for 'ReceiveCommits' queue
[2019-09-11 13:27:16,179] [main] INFO com.google.gerrit.server.git.WorkQueue : Adding metrics for 'SendEmail' queue
[2019-09-11 13:27:16,259] [main] INFO com.google.gerrit.server.rules.PrologEnvironment : reductionLimit: 100000, compileLimit: 1000000
[2019-09-11 13:27:16,833] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loading plugins from /var/gerrit/plugins
[2019-09-11 13:27:16,908] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin avatars-gravatar, version 381fc84a89
[2019-09-11 13:27:16,941] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin codemirror-editor, version v3.0.1
[2019-09-11 13:27:16,966] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin commit-message-length-validator, version v3.0.1
[2019-09-11 13:27:16,995] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin delete-project, version v3.0.1
[2019-09-11 13:27:17,026] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin download-commands, version v3.0.1
[2019-09-11 13:27:17,065] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin gitiles, version v3.0.1
[2019-09-11 13:27:17,094] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin hooks, version v3.0.1
[2019-09-11 13:27:17,118] [main] INFO com.google.gerrit.server.plugins.PluginLoader : Loaded plugin plugin-manager, version v3.0.1
Stop a container
$ docker stop 39a0263258f6
39a0263258f6
Delete a container
$ docker rm 39a0263258f6
39a0263258f6
Get container IP
$ docker inspect unruffled_goldstine |grep IP
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "100.64.0.2",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"IPAMConfig": null,
"IPAddress": "100.64.0.2",
"IPPrefixLen": 24,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
Execute another processus inside the container
$ docker exec -it unruffled_goldstine bash
root@cb651a07bbde:/#
Dockerfile
Description of how the image should be built
FROM php:7.3-fpm-buster
RUN apt update && apt install -y --no-install-recommends wget curl git wget snmp unzip
COPY ./docker/base/fpm/resources/php.ini /usr/local/etc/php/php.ini
COPY ./docker/base/fpm/resources/entrypoint.sh /entrypoint
USER www-data
WORKDIR "/application"
ENTRYPOINT ["/entrypoint"]
Dockerfile builds
$ docker build -t my-image:v0.1 .
Digest: sha256:0edcfe1b610d878c8fbc036bdc68380e0ca102be6a250d139c5bd3669ba63c10
Sending build context to Docker daemon 56.14MB
Step 1/15 : FROM php:7.3-fpm-buster
7.3-fpm-buster: Pulling from library/php
Digest: sha256:23b1ecb3e4144c132f126d7dd4dab1e8215e7645c690edef0a40964749d4500b
Status: Image is up to date for php:7.3-fpm-buster
---> d2f084c97289
Step 2/15 : RUN apt update ...
---> Using cache
---> d131535f4e6d
Step 3/15 : COPY ./docker/base/fpm/resources/php.ini /usr/local/etc/php/php.ini
...