Engineering Glossary

Alternative terms for the same concept of proposing and reviewing changes in Git-based collaboration.

A Git command used to upload local repository changes to a remote repository, sharing updates with collaborators.

A file in a Git repository that provides information about the project, its purpose, and how to use or contribute to it.

A Git operation that moves or combines a sequence of commits to a new base commit, often used to maintain a linear history.

A Git rebase mode allowing users to modify, reorder, or squash commits before applying them to the target branch.

A Git mechanism that records updates to branch tips and other references in a repository.

A string that specifies the mapping between remote and local references when fetching or pushing in Git.

A strategy where a separate branch is created for release preparation, allowing continued development on the main branch.

A Git repository hosted on a server, allowing collaboration and synchronization between multiple developers.

Centralized location where software packages or modules are stored and managed, facilitating version control and collaboration.

A data structure containing all the files, history, and metadata for a Git-managed project.

Source Control Management, a system for tracking and managing changes to code, of which Git is an example.

The cryptographic hash function used by Git to generate unique identifiers for objects in the repository.

A secure authentication method using a pair of cryptographic keys for accessing remote systems or services.

A Git clone that only fetches a limited number of recent commits, reducing download size for large repositories.

The process of combining multiple commits into a single commit in Git, often used to simplify history.

The process of preparing changes to be committed in Git, also known as "adding to the index."

A Git feature for temporarily storing uncommitted changes, allowing you to switch branches without committing work in progress.

A Git feature for temporarily saving uncommitted changes, allowing you to switch contexts without committing incomplete work.

A Git command that shows the state of the working directory and staging area, indicating which files are modified or staged.

A Git repository nested within another repository, allowing you to include external projects in your own project.

A named reference to a specific point in Git history, typically used to mark release points or important milestones.

A subscription level for GitHub designed for collaborative groups or small organizations.

The original repository from which a fork is created, or the branch that a local branch is tracking.

Terms describing the flow of changes in Git, with upstream being the source and downstream the destination.

A temporary commit indicating unfinished work, often used to save progress or facilitate code reviews.

A secure alternative to passwords, used for authentication in Git operations, providing limited access to specific resources or actions.

A secondary location where Git stores object files, useful for optimizing storage and performance in large repositories.

A dedicated hardware or virtual machine optimized for running Git services, often used in enterprise environments for improved performance.

The person responsible for addressing an issue or pull request in a Git repository, helping to organize and prioritize tasks.

A temporary code used in two-factor authentication to verify a user's identity when accessing Git repositories or services.

The primary branch in a Git repository from which feature branches are created and into which they are merged after development.

A simple authentication method in Git using a username and password, often discouraged in favor of more secure methods.

The recurring period for which Git hosting services charge users or organizations for their subscriptions and usage.

The email address associated with a Git account or organization for receiving invoices and billing-related communications.

A user role in Git hosting platforms responsible for managing billing information, subscriptions, and payments for an organization.

A subscription package offered by Git hosting services, defining features, storage limits, and pricing for users or organizations.

A brief description of a user's profile on Git platforms, typically including their role, interests, or expertise in software development.

A Git object type representing the contents of a file, stored as a sequence of bytes without any metadata or file attributes.

An action on Git platforms to restrict a user's ability to interact with a repository, often used to manage disruptive behavior.

A set of rules applied to Git branches to control who can push changes, merge, or perform certain actions, enhancing code quality.

A command-line tool often used with Git to transfer data and interact with APIs, supporting various protocols including HTTPS.

A visual representation of an issue or pull request in Git project management tools, used for organizing and prioritizing work.

A series of connected commits in Git, representing a sequence of changes that build upon each other in a repository's history.

A group of changes made to files in a Git repository, typically represented by a commit and including additions, modifications, and deletions.

An automated test or verification process run on Git repositories to ensure code quality, security, or compliance with project standards.

A nested team within a Git organization's hierarchy, inheriting permissions and access rights from its parent team.

A Git command used to remove untracked files and directories from a working directory, helping to maintain a tidy repository.

A technique used in Git hosting services to distribute repository data across multiple servers for improved performance and reliability.

A visual representation of code additions and deletions over time in a Git repository, useful for tracking project activity.

A document outlining expected behavior and guidelines for contributors in a Git repository, promoting a positive community.

A designated person or team responsible for reviewing and approving changes to specific files or directories in a Git repository.

A user with read and write access to a Git repository, able to contribute code and participate in project discussions.

A unique identifier (SHA-1 hash) assigned to each commit in Git, used to reference specific points in a repository's history.

The person who originally created a commit in Git, distinct from the committer who may have applied the changes on behalf of the author.

A visual representation of the commit history in a Git repository, showing the relationships between different branches and merges.

The underlying structure and visual representations of Git's commit history, used for understanding project evolution.

A descriptive text associated with a Git commit, explaining the purpose and details of the changes made in that commit.

A Git object type containing metadata about a commit, including the author, committer, date, and a pointer to the tree object.

A file used by Git to store commit graph information, optimizing performance for operations that traverse the commit history.

A term referring to any Git object that can be resolved to a commit, including commit IDs, branch names, and tags.

A Git feature allowing users to view differences between two branches, often used before merging to review changes.

A visual representation of a user's Git activity over time, showing the frequency and distribution of their contributions to repositories.

A document in a Git repository outlining best practices, coding standards, and procedures for contributors to follow when submitting changes.

The collective changes, commits, issues, and pull requests made by a user to Git repositories, showcasing their involvement in projects.

Any person who has made contributions to a Git repository, whether through code, documentation, or other forms of project support.

A visual representation of all contributors to a Git repository, showing their relative contributions over time and by type.

The fundamental set of Git commands and functionality, excluding third-party extensions or hosting platform-specific features.

A promotional code offering discounts or credits for Git hosting services, often used to attract new users or upgrade existing accounts.

A time-based job scheduler used in Git hosting platforms to automate tasks such as backups, notifications, or periodic code checks.

A Git object not reachable from any reference (branch, tag, etc.), often created during rebasing or other history-altering operations.

A central interface in Git platforms providing an overview of a user's repositories, activities, and notifications.

The primary branch in a Git repository, typically named "main" or "master," serving as the base for new branches and deployments.

A visual representation of a project's dependencies, showing relationships between different components or external libraries.

A visualization of other projects or repositories that depend on a given Git repository, useful for understanding its impact.

An SSH key granting read-only access to a specific Git repository, commonly used for automated deployments or CI/CD processes.

The process of resolving a Git reference (like a branch or tag) to its corresponding commit object or SHA-1 hash.

A state in Git where the HEAD pointer references a specific commit rather than a branch, often used for temporary work.

Tools and features in Git used to identify and troubleshoot issues with repositories, commits, or configuration settings.

A folder within a Git repository containing files and potentially other subdirectories, organized hierarchically.

A term describing a Git working directory that contains uncommitted changes, indicating modifications that haven't been saved to the repository.

Alerts sent via email by Git platforms to inform users about repository activities, mentions, or updates.

A high-tier account type offered by Git hosting services, providing advanced features and support for large organizations.

A problematic merge in Git where conflicts are resolved incorrectly, potentially introducing subtle bugs or inconsistencies.

A type of Git merge where the target branch's pointer is simply moved to the latest commit of the source branch, without creating a new commit.

A temporary branch in Git created to develop a specific feature or fix, typically merged back into the main branch upon completion.

A markdown syntax used in Git documentation and comments to display formatted code snippets with syntax highlighting.

The underlying structure used by Git to store repository data, including objects, refs, and configuration files.

A feature in Git platforms allowing users to receive updates and notifications about other users' activities.

A file containing a Git repository's object database, used in certain Git operations.

A text file specifying intentionally untracked files that Git should ignore, customizable for different project types.

A technique in Git to join two unrelated commit histories, typically used for repository repair or history modification.

A unique identifier (SHA-1) for Git objects, used to ensure data integrity and create content-addressable storage.

The default branch that is checked out when a repository is cloned, typically 'main' or 'master'.

A reference to the tip of a branch, representing the most recent commit in that branch's history.

A characteristic of Git hosting systems designed to ensure continuous operation and minimal downtime.

A script that Git executes before or after events such as commit, push, and receive, used for automating or controlling Git processes.

The unique name assigned to a device on a network, used for identification and communication purposes.

A visual representation of a hash value, often used as a default avatar in Git platforms.

A service that creates, maintains, and manages identity information for users, often integrated with Git platforms.

Defining and managing complex business processes using code in cloud environments.

Techniques for efficiently distributing applications and data across cloud resources.

Ability to move applications and data between different cloud environments with minimal modifications.

Optimizing data storage location based on application requirements in cloud environments.

Security model that requires strict identity verification for every person and device accessing cloud resources.

Approach assuming no automatic trust, requiring continuous verification in cloud environments.

Interfacing with cloud services through ambient intelligence, without traditional user interfaces.

Cloud-based cryptographic methods allowing data verification without revealing the data itself.

Cryptographic protocols enabling data verification without disclosing the actual data in cloud environments.

Fine-grained network segmentation approach in cloud environments, limiting lateral movement of threats.

Security framework requiring strict authentication and authorization for all cloud network access.

Storage devices optimized for cloud workloads, improving performance and reducing write amplification.

Technology for running sandboxed programs in the Linux kernel, often used in cloud environments.

Using eBPF technology to enhance network performance and security in cloud environments.

Kubernetes component allowing plugins to customize the scheduling process without changing the core scheduler code.

Modular components in Kubernetes scheduler implementing specific scheduling behaviors and policies.

Configurations defining sets of scheduling plugins to be used for different scheduling scenarios in Kubernetes.

Use of Berkeley Packet Filter programs to define fine-grained seccomp profiles for container security.

Security profiles defining allowed system calls for containers, enhancing isolation and reducing attack surface.

Kubernetes object for storing and managing sensitive information such as passwords, tokens, or keys.

Process of securely storing, distributing, and rotating sensitive data in containerized environments.

Linux kernel feature limiting the system calls a process can make, often used to secure containers.

Practices ensuring the integrity and security of container images and their dependencies throughout the development lifecycle.

OpenShift object defining a set of conditions that a pod must run with to be accepted into the system.

OpenShift feature for fine-grained control over the actions containers can perform and the resources they can access.

Integration of vulnerability and compliance scans into the continuous integration process for container images.

Tools and platforms for building and deploying serverless applications on container orchestration systems.

Techniques and tools for monitoring, tracing, and debugging serverless functions and applications.

Architectural patterns for designing and implementing serverless applications in containerized environments.

Practices and tools for securing serverless functions and applications in container-based infrastructures.

Orchestration of multiple serverless functions to create complex, event-driven applications.

Kubernetes abstraction defining a logical set of pods and a policy by which to access them.

Kubernetes feature for securely delivering service account tokens to pods, enhancing security.

Credentials automatically generated for pods to authenticate with the Kubernetes API server.

Technique allowing services to locate and communicate with each other dynamically in containerized environments.

Component of a service mesh responsible for managing and configuring the data plane proxies.

Component of a service mesh consisting of proxies that intercept and control service-to-service communication.

Specification defining a set of common APIs for service meshes on Kubernetes, promoting interoperability.

Architectural pattern providing a dedicated infrastructure layer for handling service-to-service communication.

Standard for measuring and characterizing the performance of service mesh deployments, aiding in optimization.

Custom resources in Prometheus Operator for declaratively defining how services should be monitored.

Mechanisms and configurations for enabling network communication between services in container orchestration platforms.

Kubernetes feature allowing services to route traffic based on node topology for improved performance.

Process of verifying the identity of services communicating with each other in a containerized environment.

Kubernetes object providing an identity for processes running in a pod, used for authentication and authorization.

Technique of dividing data across multiple database instances in containerized environments.

Additional containers in a pod that enhance or extend the functionality of the main container.

Design pattern where a sidecar container is deployed alongside the main application container to provide supporting features.

Proxy container deployed alongside application containers to handle network traffic and implement service mesh functionality.

Use of sidecar proxies to implement service mesh features like traffic management and security in Kubernetes.

Open-source application performance monitoring and observability platform for microservices and Kubernetes environments.

Tool facilitating continuous development for Kubernetes applications, handling building, pushing, and deploying application code.

Use of Skaffold to streamline the development workflow for Kubernetes applications in local environments.

Platform providing vulnerability scanning and security management for container images and Kubernetes deployments.

Approach to network management enabling dynamic, programmatically efficient network configuration in container environments.

Tool and workflow for building reproducible container images from source code, simplifying the build process.

Open-source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Integration of Splunk's data platform with containerized environments for logging, monitoring, and analysis.

Security platform providing vulnerability management, compliance, and runtime protection for Kubernetes.

Containerized applications that maintain data or state, requiring special considerations for persistence and scaling.

Kubernetes workload API object used to manage stateful applications, providing unique network identities and stable storage.

Design patterns for deploying and managing stateful applications in Kubernetes using StatefulSets.

Pods managed directly by the kubelet on a specific node, without the API server observing them.

Process of pre-creating storage resources in Kubernetes before they are claimed by persistent volume claims.

File-based method for providing authentication tokens to the Kubernetes API server, useful for bootstrap authentication.

Kubernetes API feature allowing updates to an object's status without modifying its spec, enabling more granular updates.

Kubernetes feature for making scheduling decisions based on the available storage capacity of nodes.

Kubernetes objects defining different classes of storage with varying performance characteristics or policies.

Kubernetes object describing the "classes" of storage offered by the administrator, used for dynamic provisioning.

Software-defined storage for cloud-native applications, providing persistent storage for containers.

Incremental approach to modernizing legacy applications by gradually replacing components with microservices.

Network protocols optimized for real-time data transmission in containerized environments.

Kubernetes volume feature allowing mounting a specific directory of a volume instead of its root.

Open-source project enabling direct networking between pods and services across Kubernetes clusters.

Kubernetes API feature representing sub-components of a resource, allowing more granular access control and operations.

Open-source container management system for edge computing, extending Kubernetes to manage edge nodes efficiently.

Security platform providing real-time threat detection and response for containerized environments.

Specification for securing software update systems, applicable to container image distribution.

Kubernetes node attributes that repel certain pods from scheduling unless they have matching tolerations.

Kubernetes mechanism for controlling which pods can be scheduled on specific nodes, enabling node specialization.

Cloud-native CI/CD framework for Kubernetes, providing custom resources for defining pipelines and tasks.

Kubernetes-native CI/CD solution using custom resources to define pipelines as a series of tasks.

Tool allowing developers to run a single service locally while connecting to a remote Kubernetes cluster.

Platform providing vulnerability management and compliance monitoring for container images and registries.

Techniques for separating and securing resources belonging to different users or groups in multi-tenant Kubernetes clusters.

Open-source tool for static code analysis of Infrastructure as Code, including Kubernetes manifests.

Open-source project extending Prometheus for long-term storage and global query view in large-scale deployments.

Use of Thanos to provide durable storage and global query capability for Prometheus metrics.

Technique for limiting the rate at which a containerized service processes requests to prevent overload.

Development environment as code for teams building Kubernetes microservices, streamlining local development.

Settings controlling the maximum duration for various operations in containerized applications and infrastructure.

Kubernetes pod specifications that allow (but do not require) pods to be scheduled on nodes with matching taints.

Kubernetes feature coordinating resource allocation decisions to provide topology-aligned resource allocations.

Technique of duplicating live traffic to a separate service instance for testing or debugging purposes.

Gradual redirection of traffic from one version of a service to another, often used in canary deployments.

Distribution of incoming requests across multiple versions of a service, enabling advanced deployment strategies.

Open-source security scanner for containers and other artifacts, finding vulnerabilities and misconfigurations.

Set of best practices for building software-as-a-service apps that can be easily deployed to the cloud.

Container security platform providing vulnerability management, compliance, and runtime protection (now part of Prisma Cloud).

Comprehensive cloud-native security platform for containers, serverless, and cloud environments.

Physical network infrastructure upon which overlay networks for container communication are built.

Specialized, single-purpose machine images offering potential advantages in size and security over containers.

Filesystem service for Linux allowing files and directories of separate filesystems to be overlaid, forming a single coherent filesystem.

Kubernetes feature allowing a user to act as another user, useful for debugging and testing access controls.

Linux kernel feature providing per-process isolated instances of user and group ID number spaces.

Network virtualization technology used in container networking for creating overlay networks.

Virtual networks using VXLAN encapsulation to enable container communication across hosts.

Design pattern for providing clients with restricted direct access to a specific resource or service.

Admission controller webhooks in Kubernetes that validate resource requests without modifying them.

Kubernetes admission control mechanism for validating API requests against custom logic before persistence.

Open-source tool for backing up and restoring Kubernetes cluster resources and persistent volumes.

Guidelines defining supported version differences between Kubernetes components to ensure compatibility.

Kubernetes component that automatically adjusts the CPU and memory reservations for pods to optimize resource utilization.

Resource utilization data used by VPA to make decisions on adjusting pod resource allocations.