Docker
Aprenda Docker do primeiro container até a produção. Imagens, redes, volumes, Compose, builds multi-stage e registries seguros.
13 lições, em ordem
- 120 min
O Que É o Docker
Containers vs VMsImagesContainersDocker daemonDocker CLI - 225 min
Seu Primeiro Container
Docker runHello-worldInteractive shellDocker psDocker stopDocker rm - 330 min
Images e o Dockerfile
FROMRUNCMDDocker buildDocker imagesDocker rmi - 435 min
Criando Images Personalizadas
COPYWORKDIRENVEXPOSELayer caching.dockerignore - 530 min
Rede de Containers
Published ports-p host:containerUser-defined networksContainer DNSDocker network - 630 min
Volumes e Persistência
Bind mountsNamed volumesContainer writable layerDocker volumeWhere data lives - 735 min
Docker Compose
Compose.yamlServicesDepends_onPort mappingDocker compose up/downNamed volumes in compose - 835 min
Multi-Stage Builds
Build stageRuntime stage--from=builderSlim final imagesAS aliasing - 925 min
Variáveis de Ambiente e Segredos
ENV in Dockerfile-e at runEnv_file in composeWhy not to bake secretsDocker secrets brief mention - 1025 min
Healthchecks e políticas de reinício
HEALTHCHECK directive--restart=unless-stoppedDocker inspect healthCompose healthcheck - 1130 min
Otimização e Segurança de Images
Small bases like alpine and distrolessUSER non-rootPinning versionsDocker scoutTrivyMulti-arch idea - 1225 min
Registries e Publicação
Docker tagDocker loginDocker pushDocker HubGHCRPrivate registries - 1350 min
Capstone: Entregando uma Stack
Multi-stage DockerfileCompose.yaml with two servicesHealthcheck and restart policyTag and pushRun elsewhere
Aprenda Docker no seu idioma
Cada lição, quiz e resposta do tutor aparece no seu idioma. O tutor de IA responde no idioma em que você pergunta.
Roles that use Docker
See how hiring teams interview engineers on Docker, in production-like environments.
DevOps Engineer
Hire DevOps engineers who actually ship. Run live or take-home interviews in production-like Linux environments with Docker, Kubernetes, Terraform and CI/CD. See how they debug, automate, and work alongside AI.
See the interviewPlatform Engineer
Hire platform engineers who reduce friction for every team. Real golden-path templates, real internal CLIs, real service onboarding flows. We record every step.
See the interviewSite Reliability Engineer (SRE)
Hire SREs who actually run production. Live workspaces with metrics, logs, traces and a service that is starting to misbehave. We record every keystroke.
See the interview