https://noname.com.ua/mediawiki/index.php?action=history&feed=atom&title=K8s_Q_A_Env_Vars 2026-04-04T06:15:46Z История изменений этой страницы в вики MediaWiki 1.36.1 https://noname.com.ua/mediawiki/index.php?title=K8s_Q_A_Env_Vars&diff=12367&oldid=prev 2024-01-08T13:42:56Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="ru"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Предыдущая</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Версия 13:42, 8 января 2024</td> </tr><tr> <td colspan="2" class="diff-lineno">Строка 1:</td> <td colspan="2" class="diff-lineno">Строка 1:</td> </tr> <tr> <td class="diff-marker">&#160;</td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Категория:K8s]]</div></td> <td class="diff-marker">&#160;</td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Категория:K8s]]</div></td> </tr> <tr> <td class="diff-marker">&#160;</td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Категория:K8s_Вопросы_И_Ответы]]</div></td> <td class="diff-marker">&#160;</td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Категория:K8s_Вопросы_И_Ответы]]</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>=Env Variables=</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>В Kubernetes запущенному контейнеру доступны несколько важных ресурсов:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;BR&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>файловая система, представляющая собой комбинацию docker-образа (слои) и одного или нескольких томов;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* информация о самом контейнере</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* информация о других объектах в кластере.</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;BR&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Информация о самом контейнере обычно включает в себя:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;BR&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* имя хоста (hostname) - это имя пода (Pod), в котором работает контейнер. Доступно через команду hostname или вызов функции gethostname;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* пространство имен пода (Pod) - доступно как переменные окружения;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* пользовательские переменные окружения из манифеста (описания) пода (Pod) - поговорим о них позже;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* переменные окружения, указанные статически в docker-образе (например, при сборке).</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Информация о других объектах в кластере Kubernetes доступна контейнеру тоже в качестве переменных среды. Например, служба с именем foo, внутри контейнера с именем bar будет отображаться в переменных окружения так:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>FOO_SERVICE_HOST=&lt;the host the service is running on&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>FOO_SERVICE_PORT=&lt;the port the service is running on&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;/PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>При создании пода (Pod), можно установить переменные окружения для контейнеров, которые работают в данном поде. Для этого нужно добавить в файл конфигурации (манифест) поле env или envFrom, например так:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>apiVersion: v1</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>kind: Pod</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>metadata:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> name: envar-demo</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> labels:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> purpose: demonstrate-envars</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>spec:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> containers:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> - name: envar-demo-container</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> image: gcr.io/google-samples/node-hello:1.0</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> env:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> - name: DEMO_GREETING</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> value: "Hello from the environment"</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> - name: DEMO_FAREWELL</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> value: "Such a sweet sorrow"</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;/PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Сохраним предложенный манифест в файле envars.yaml и запустим под в кластере Kubernetes:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>kubectl create -f envars.yaml</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;BR&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Проверим список запущенных подов:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>kubectl get pods -l purpose=demonstrate-envars</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Результат предыдущей команды будет примерно таким:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>NAME READY STATUS RESTARTS AGE</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> envar-demo 1/1 Running 0 9s</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;/PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Подключаемся к запущенному контейнеру:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>kubectl exec -it envar-demo -- /bin/bash</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Выводим на экран переменные окружения с помощью команды printenv (вывод сокращен):</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>root@envar-demo:/# printenv</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>NODE_VERSION=4.4.2</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>EXAMPLE_SERVICE_PORT_8080_TCP_ADDR=10.3.245.237</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>HOSTNAME=envar-demo</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>...</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>DEMO_GREETING=Hello from the environment</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>DEMO_FAREWELL=Such a sweet sorrow</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&lt;PRE&gt;</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Примечание. Стоит помнить, что переменные, установленные с помощью env или envFrom переопределяют значения переменных установленных в docker-образе.</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Чуть больше информации о переменных окружения можно получить [https://kubernetes.io/docs/tasks/inject-data-application/environment-variable-expose-pod-information/ Env Vars]</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>частные случаи установки переменных окружения внутри docker-контейнеров:</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Secrets</div></td> </tr> <tr> <td colspan="2" class="diff-empty">&#160;</td> <td class="diff-marker">+</td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* ConfigMaps</div></td> </tr> </table>

Sirmax https://noname.com.ua/mediawiki/index.php?title=K8s_Q_A_Env_Vars&diff=12366&oldid=prev 2024-01-08T13:39:03Z

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