OSPI Certified: Docker Administrator

Exam objectives

1. 1. Docker Engine configuration
   • Verify Docker Engine version and routine CLI operations
   • Configure daemon logging and related settings required by the lab scenario
   • Restart Docker and confirm the daemon is healthy
2. 2. Images and container builds
   • Build application images from a provided Dockerfile
   • Tag images for use in a multi-service deployment
   • Run smoke-test containers to validate builds
3. 3. Networks, volumes, and data services
   • Create user-defined bridge networks and named volumes for persistent data
   • Deploy PostgreSQL and Redis containers on a shared application network
   • Configure database credentials and validate connectivity from the application tier
4. 4. Compose application stack
   • Deploy a multi-service stack from a provided Compose definition
   • Configure API and worker services with environment variables, bind mounts, and published ports
   • Verify application health endpoints and scale worker replicas as specified
   • Apply resource limits and confirm the running stack matches the scenario
5. 5. Operations and logging
   • Collect container logs and inspect running services for day-two operations
   • Record image and deployment state required by the exam scenario
6. 6. Broken container troubleshooting
   • Diagnose and repair a pre-seeded failing API container left by a prior shift
   • Correct command, configuration, network, port, or storage issues introduced in the lab
   • Restore service health without disrupting the stack deployed in the first part of the exam
   • Document findings using container inspection and health-check evidence