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Dockerfile is a text file that contains instructions to build a Docker image.
Dockerfile is used to define the environment and dependencies for a Docker container
It includes commands like FROM, RUN, COPY, and CMD to specify the base image, run commands, copy files, and set the default command
Dockerfile is used with the 'docker build' command to create a Docker image
Jenkinsfile is a text file that defines the pipeline for a Jenkins job.
Jenkinsfile is written in Groovy scripting language.
It allows defining the entire pipeline as code, including build, test, and deployment stages.
Jenkinsfile can be stored in version control along with the project code for better traceability.
It enables automation and repeatability of the CI/CD process.
Example: pipeline { agent any stages { stage('Bu...
To reduce the size of a Docker file, remove unnecessary dependencies, use multi-stage builds, optimize layers, and use smaller base images.
Remove unnecessary dependencies and files
Utilize multi-stage builds to reduce the number of layers
Optimize layers by grouping related commands together
Use smaller base images like Alpine instead of larger ones like Ubuntu
Orchestration is the automated arrangement, coordination, and management of complex computer systems or services.
Orchestration involves automating tasks such as provisioning, configuration, deployment, scaling, and monitoring of software applications.
It helps in streamlining and optimizing the workflow of various components in a system.
Popular orchestration tools include Kubernetes, Docker Swarm, and Apache Mesos.
Orche...
Azure DevOps is a set of development tools provided by Microsoft to help teams plan, build, and deploy software applications.
Azure DevOps includes services for version control, build automation, release management, and more
It allows for collaboration between development and operations teams
Users can create pipelines to automate the build and deployment process
Azure Boards can be used for project management and tracking
Helm charts are packages of pre-configured Kubernetes resources used for deploying applications.
Helm charts are used to define, install, and upgrade Kubernetes applications.
They are written in YAML and can include templates for Kubernetes resources like deployments, services, and ingress.
Helm charts can be customized using values files to adjust configurations for different environments.
Helm charts are stored in reposi...
Host webapp container using dockerfile and dockercompose
I applied via Approached by Company and was interviewed before Mar 2023. There were 3 interview rounds.
To decrease the size of a Dockerfile, steps such as using multi-stage builds, minimizing layers, and optimizing image size can be taken.
Use multi-stage builds to reduce the number of layers in the final image
Minimize the number of RUN commands by combining them into a single command
Remove unnecessary files and dependencies from the image
Use smaller base images like Alpine instead of larger ones like Ubuntu
Optimize the ...
Init container is a special type of container in Kubernetes that runs before the main application container starts.
Init containers are used to perform tasks such as setting up configuration files, initializing a database, or waiting for a service to be ready before the main container starts.
They run to completion before the main container starts, ensuring that any dependencies are met.
Init containers share the same net...
NodePort type service exposes a service on a specific port on all nodes in the cluster.
NodePort type service allows external traffic to access a service in a Kubernetes cluster
It assigns a static port on each node, which forwards traffic to the service
It is commonly used for accessing applications externally in a development environment
VPC peering allows connecting two VPCs to communicate with each other using private IP addresses.
Ensure both VPCs are in the same region
Update route tables in both VPCs to allow traffic between them
Ensure there are no overlapping CIDR blocks
Accept the peering connection request in both VPCs
Write a Dockerfile to create image for a web app
I was interviewed before Apr 2023.
Top trending discussions
I applied via Job Portal and was interviewed before May 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jan 2021. There were 4 interview rounds.
Basic Exam about your knowledge.
We have to speak out properly and clear with our opinion.
I applied via Campus Placement and was interviewed before Apr 2020. There were 5 interview rounds.
I applied via Campus Placement and was interviewed before Jan 2021. There were 4 interview rounds.
Software development life cycle is a process of planning, designing, developing, testing, deploying, and maintaining software.
SDLC consists of several phases including planning, analysis, design, implementation, testing, deployment, and maintenance.
Each phase has its own set of activities and deliverables.
SDLC models include Waterfall, Agile, and DevOps.
The choice of model depends on the project requirements and constr...
I applied via Campus Placement and was interviewed before Sep 2021. There were 3 interview rounds.
Understand aptitude aptly
Have basic knowledge on logics ,you can write code easily
My Btech project was on developing a web-based application for online shopping.
Developed using PHP and MySQL
Implemented features like user registration, product search, cart management, and payment gateway integration
Used HTML, CSS, and JavaScript for frontend development
Conducted testing and debugging to ensure smooth functioning
Received an A grade for the project
I applied via Recruitment Consultant and was interviewed before Sep 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Mar 2021. There were 2 interview rounds.
Managerial skills
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