- What are the advantages of using Docker?
- What is the difference between Docker image and Docker container?
- How do you install Docker on Linux?
- What is a Dockerfile?
- What is the purpose of a Docker registry?
- How do you create a Docker container?
- What is the difference between ENTRYPOINT and CMD in a Dockerfile?
- What is Docker Compose used for?
- What is the difference between a Dockerfile and a docker-compose.yml file?
- How do you map ports in Docker?
- How do you access the logs of a Docker container?
- How do you remove a Docker container?
- How do you list all the Docker containers on a host?
- How do you inspect a Docker image?
- What is the difference between Docker volumes and bind mounts?
- How do you copy files into a Docker container?
- What is the difference between the COPY and ADD commands in a Dockerfile?
- What is the difference between a Dockerfile and an image?
- How do you tag a Docker image?
- Write a command to start a new Docker container using the "nginx" image.
- Write a command to stop a running Docker container.
- Write a command to list all running Docker containers, showing their names and ports.
- Write a command to remove a Docker container and its associated volumes.
- Write a command to start a Docker container and map a local folder to the container's /app directory.
- Write a command to create a Docker image from a Dockerfile.
- Write a command to push a Docker image to a private Docker registry.
- Write a command to copy a file from your local machine into a running Docker container.
- Write a command to delete all unused Docker images.
- Write a command to display detailed information about a running Docker container.
- How do you share data between containers in Docker Compose?
- What is the difference between Docker and Kubernetes?
- How do you create a Docker image from a running container?
- How do you debug a running Docker container?
- What is a Docker registry and how do you use it?
- What is Docker Swarm and how does it work?
- What is Docker overlay network and how does it work?
- How do you use Docker with Jenkins?
- What is Docker Hub and how does it work?
- What is the difference between Docker Engine and Docker Compose?
- How do you scale Docker containers horizontally?
- How do you secure Docker containers?
- What is the difference between a Dockerfile and a Docker image?
- How do you push a Docker image to Docker Hub?
- How do you pull a Docker image from Docker Hub?
- How do you update a Docker container?
- How do you configure environment variables in a Docker container?
- How do you use Docker with GitLab CI/CD?
- What is the difference between a Dockerfile and a docker-compose.yml file?
- What is Docker Machine and how does it work?
- Write a Dockerfile that installs the "curl" command-line tool and runs it once as part of the Docker build process.
- Write a Dockerfile that installs the "node.js" runtime environment and runs a "npm install" command as part of the Docker build process.
- Write a Dockerfile that copies a local file into the Docker image and sets an environment variable with its contents.
- Write a Dockerfile that exposes port 80 and runs an Nginx web server.
- Write a Dockerfile that installs a custom application from a remote repository and runs it as part of the Docker build process.
- Write a command to display the current logs of a running Docker container.
- Write a command to create a Docker volume with a specified name.
- Write a command to display the IP address of a running Docker container.
- Write a command to tag an existing Docker image with a new name.
- Write a command to pause a running Docker container.
- Write a command to attach to a running Docker container's console.
- How do you monitor Docker containers in a production environment?
- How do you manage Docker secrets and other sensitive data in a containerized environment?
- What are some common issues and limitations you've encountered while working with Docker at scale?
- How do you design a container orchestration strategy that is resilient, fault-tolerant, and highly available?
- How do you perform automated testing and continuous integration/continuous deployment (CI/CD) in a containerized environment?
- How do you manage resource allocation and usage in a containerized environment, especially with regard to CPU, memory, and disk space?
- How do you implement backup and disaster recovery strategies in a containerized environment?
- How does Docker achieve isolation?
- How does Docker integrate with orchestration tools like Kubernetes?
- How do you configure Docker to use a specific network interface?
- How do you use Docker with Ansible?
- What is Docker plugin and how does it work?
- How do you use Docker with AWS ECS?
- How do you use Docker with AWS Fargate?
- What is Docker Security Scanning and how does it work?
- What is the difference between a Docker image and a Docker layer?
- What is the difference between a Docker container and a Docker service?
- How do you use Docker with Terraform?
- What is the difference between Docker volumes and tmpfs mounts?
- How do you use Docker with Azure Container Instances?
- What is Docker Secrets and how does it work?
- How do you use Docker with HashiCorp Vault?
- What is the difference between Docker registry and Docker repository?
- How do you use Docker with Apache Mesos?
- What is the difference between Docker Swarm and Docker Compose?
- How do you use Docker with Nomad?
- How do you use Docker with Google Kubernetes Engine (GKE)?
- Write a Docker Compose file that launches two containers: one running a MySQL database and the other running a Node.js application that connects to it.
- Write a Docker Compose file that launches a container running a Redis database, and another container running a Django application that connects to it.
- Write a Docker Compose file that launches a container running a PHP application and a container running a MySQL database, and links them together.
- Write a Docker Compose file that launches a container running a Tomcat server, and another container running a Java application deployed to the server.
- Write a Docker Compose file that launches multiple replicas of a containerized service and load balances requests across them.
- How do you use Docker to deploy a multi-node Elasticsearch cluster with persistent storage?
- How do you use Docker to deploy a multi-node Kafka cluster with ZooKeeper?
- How do you use Docker to deploy a microservices architecture using an API gateway?
- How do you use Docker to deploy a distributed machine learning model training and serving pipeline?
- How do you use Docker to run a desktop application in a container?
- How do you use Docker to deploy a multi-tier application with multiple front-end and back-end services?
- What are some common gotchas to look out for when working with Docker on a Linux host?
- What are some common gotchas to look out for when working with Docker networking?
- What are some common gotchas to look out for when working with Docker volumes?
- What are some best practices for deploying Docker containers on multiple cloud providers or on-premises infrastructure?
- How do you integrate Docker with other tools, such as Ansible, Terraform, Jenkins, or GitLab?
- How do you troubleshoot Docker networking issues, such as routing, DNS, and firewalls?
- How do you optimize the performance and scalability of Docker containers and images?
- How do you implement container security best practices, such as image signing, container hardening, and network segmentation?
- How do you integrate Docker with existing virtualization technologies, such as VMware or Hyper-V?
- How do you implement Docker in a hybrid cloud environment, where some services are running on-premises and others are running in the cloud?
- How do you evaluate the trade-offs between containerization and serverless computing for different workloads?
- How do you manage Docker in a multi-tenant environment, such as a cloud service provider or a shared hosting platform?
- How do you implement zero-downtime deployment strategies in a containerized environment, such as blue/green deployments or rolling updates?
- How do you enforce security policies and compliance requirements in a containerized environment, such as HIPAA, PCI, or GDPR?
- How do you use Docker to build and deploy applications that involve multiple programming languages, frameworks, and dependencies?