Containerized Layers for Feature Flag-Based Application Deployment
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Solution Overview
Problem
The deployment of software services in containers leads to code bloat due to extraneous files, increasing security risks and resource consumption, as feature flags enable multiple code paths without necessitating their activation, exposing unnecessary attack vectors and inefficient resource use.
Innovation Solution
Converting feature flags into containerized layers to deploy a version of an application with specific functionalities, minimizing extraneous files by determining and arranging containerized layers based on client requests, ensuring compatibility and reducing code bloat, while enabling customizability and lightweight operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If feature flags are used to enable multiple code paths, then customizability is improved, but code bloat increases due to extraneous files
Solution Approach 1:
The patent segments the application code into distinct containerized layers, each representing a specific feature or functionality. This allows the system to divide the monolithic codebase into modular units that can be independently selected and deployed, preventing code bloat by only including necessary features in each container.
Solution Approach 2:
The patent extracts only the necessary code paths and files required for a specific feature combination into a containerized layer structure. By taking out only what is needed based on the enabled feature flags, the system avoids including extraneous files that would contribute to code bloat while maintaining the ability to enable/disable features dynamically.
2Adaptability or versatility
If multiple code paths are included in the deployment, then adaptability is improved, but security risks increase due to exposed attack vectors
Solution Approach 1:
The patent extracts and isolates only the necessary code paths into containerized layers based on enabled feature flags. This extraction process automatically excludes unnecessary code and files that would create attack vectors, thereby reducing security risks while preserving adaptability through the containerized layer structure.
Solution Approach 2:
The patent uses containerized layers as flexible shells that encapsulate and isolate specific feature implementations. These thin film-like layers provide a security boundary that limits exposure of unnecessary code paths, reducing attack vectors while allowing the system to adapt to different feature configurations.
3Adaptability or versatility
If extraneous files are included for all feature paths, then versatility is improved, but resource consumption increases
Solution Approach 1:
The patent segments the application into containerized layers that correspond to specific features. This segmentation allows the system to include only the files and code paths necessary for the enabled features in each container, eliminating extraneous files and reducing resource consumption while maintaining versatility through the modular layer structure.
Solution Approach 2:
The patent applies partial action by including only the subset of files and code paths necessary for the enabled feature flags, rather than including all possible files for all potential features. This partial inclusion reduces resource consumption while maintaining the versatility to enable additional features by adding or modifying containerized layers as needed.
4Ease of operation
If feature flags enable dynamic feature switching, then ease of operation is improved, but device complexity increases due to multiple code paths
Solution Approach 1:
The patent segments the codebase into containerized layers that correspond to feature flags. This segmentation simplifies the management of multiple code paths by organizing them into discrete, manageable units. The feature flags directly map to specific containerized layers, making it easier to enable or disable features without increasing operational complexity, as each flag controls a self-contained layer.
Solution Approach 2:
The patent introduces containerized layers as an intermediary between the feature flags and the actual code implementation. This intermediary structure simplifies the relationship between feature flags and code paths, reducing device complexity by providing a standardized interface for feature activation while maintaining ease of operation through the flag-layer mapping.
Data Source
AI summary
Containerized layers for a specification file used to deploy an application can be derived from feature flags. For example, a processing device can receive a request for a version of the application from a client device. The request can include a set of functionalities corresponding to a set of feature flags in a code base for the application. The processing device then can determine a set of containerized layers based on the set of feature flags. The set of containerized layers can be used to create the version of the application. To fulfill the request, the processing device may assemble the set of containerized layers in a particular arrangement to generate a specification file. The processing device can transmit the specification file to the client device to deploy the set of containerized layers as the version of the application in a container.