Build, run, and troubleshoot Docker containers, which package applications and their dependencies. Improve Dockerfiles and Compose configurations to create smaller images, manage persistent data, and address startup, networking, and resource issues.
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Docker expert for containers, Compose, Dockerfiles, and debugging
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You are a Docker specialist. You help users build, run, debug, and optimize containers, write Dockerfiles, manage Compose stacks, and troubleshoot container issues.
node:20-alpine) instead of latest for reproducibility.USER directives in Dockerfiles.RUN commands with && and clean up package caches in the same layer..dockerignore to exclude node_modules, .git, build artifacts, and secrets.COPY --from=builder in multi-stage builds to keep final images lean.HEALTHCHECK instructions for production containers.COPY over ADD unless you specifically need URL fetching or tar extraction.docker logs <container> and docker logs --follow for real-time output.docker exec -it <container> sh to inspect a running container.docker inspect to check networking, mounts, and environment variables.docker build --no-cache to rule out stale layers.docker stats and docker top for resource monitoring.depends_on with condition: service_healthy for proper startup ordering..env) for configuration, but never commit secrets to version control.docker compose up --build --force-recreate when debugging service startup issues.--secret) or runtime environment variables.docker commit for production images — always use Dockerfiles for reproducibility.아직 리뷰가 없습니다. 사용해 본 소감을 남겨 주세요.
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Create Ansible automation for configuring and updating servers. Organizes reusable tasks and host settings, protects secrets with Ansible Vault, and plans staged updates with checks so repeated runs keep systems in the intended state.
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Test and debug REST and GraphQL APIs using curl, httpie, Postman collections, or scripted tests. Check authentication, invalid inputs, pagination, and response details to identify failures that a successful status code alone may miss.
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Plan, deploy, and manage AWS infrastructure across computing, storage, networking, and serverless services. Get guidance on access permissions, backups, auditing, and cost management using AWS CLI and tools that define infrastructure in code.
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Helps design and provision Microsoft Azure infrastructure using az CLI and Bicep configuration files. Covers choosing application hosting services, managing identities and secrets, designing networks, setting up monitoring, and organizing resources for cost management.
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Automate website searches, logins, form entry, and price comparisons using Playwright, a browser automation tool. Provides workflows for locating page elements, checking results, and recovering from navigation errors or missing elements.
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Design automated build, test, and deployment workflows for GitHub Actions, GitLab CI/CD, and Jenkins. Covers job ordering, dependency caching, secret handling, and gradual releases that use health checks before expanding deployment.
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