implementation details for audio-twitter, rn-chat and redux-ecommerce

Author: nemanjam

src/content/project/2019/09-29-redux-ecommerce/index.mdx

@@ -35,7 +35,9 @@ Build a basic e-commerce website.
 
 ## Implementation details
 
-You can find more implementation details in the <Link href="https://github.com/nemanjam/redux-ecommerce" variant="markdown" target="_blank" title="README.md">README.md</Link> file on Github.
+It is a static, client side app that uses Promise based fake backend for simulating data fetching. The UI is build using React Bootstrap components. The state for products filtering, sorting, infinite scroll pagination and cart is managed using Redux. Images use load event for displaying a spinner.
+
+For more implementation details see the <Link href="https://github.com/nemanjam/redux-ecommerce" variant="markdown" target="_blank" title="README.md">README.md</Link> file on Github.
 
 ## Lessons learned 
 

src/content/project/2019/10-23-rn-chat/index.mdx

@@ -36,11 +36,16 @@ Learn React Native by building a basic chat app with users and groups.
 
 ## Implementation details
 
+At the time React Native and GraphQL were very popular combination for efficient data fetching. The app uses Apollo for CRUD operations and real time subscriptions. React Navigation is used for routing between activity screens. The UI is built using NativeBase components.
+
+The most challenging part is the PostgreSQL database schema that supports relations between User, Group, Chat and Message models. Database is managed via Sequelize ORM.
+
 You can find more implementation details in the <Link href="https://github.com/nemanjam/rn-chat" variant="markdown" target="_blank" title="README.md">README.md</Link> file on Github.
 
 ## Lessons learned 
 
 - Get practical experience with React Native.
+- React Native requires very carefully handpicked package versions for a successful build.
 
 ## Links
 

src/content/project/2020/02-16-audio-twitter/index.mdx

@@ -30,13 +30,17 @@ Get practical experience with Apollo GraphQL. Work with audio.
 
 ## Features
 
-- Record, delete, like, retweet audio messages
+- Record, play, auto-play, delete, like, retweet audio messages
 - Auth, edit profile, real time notifications
 - Responsive design, color themes and dark mode
 
 ## Implementation details
 
-You can find more implementation details in the <Link href="https://github.com/nemanjam/audio-twitter" variant="markdown" target="_blank" title="README.md">README.md</Link> file on Github.
+React Mic is used for recording the audio and Wavesurfer for rendering waveform and playing. The UI is build with default MaterialUI components. It has a number of Apollo CRUD operations, real time subscriptions and client side resolvers for managing state. It has social network functionalities like follow, like, retweet, notifications.
+
+Data is stored in MongoDB using Mongoose and audio files are served via static folder.
+
+For more implementation details check the <Link href="https://github.com/nemanjam/audio-twitter" variant="markdown" target="_blank" title="README.md">README.md</Link> file on Github.
 
 ## Lessons learned 
 

src/content/project/2024/12-09-hackernews-new-jobs/index.mdx

@@ -43,7 +43,7 @@ Evaluate the potential of the idea and the level of interest for a website of th
 
 This is a Next.js server side rendered app with default ShadcnUI components. Algolia API is used as a data source because HackerNews webserver has a very strict scraping policy. Minimal relevant data is stored in SQLite database which is used for fast and precise queuing. The query results are cached with Keyv LRU in memory cache to improve performance. 
 
-The app requires zero maintenance, the only insert query to parse a new month is automated using a `node-cron` scheduled task. The app is packed as a Docker image, either in Github Actions or locally, and is available for both `linux/amd64` and `linux/arm64` platforms. It also has Winston logger and Plausible analytics.
+The app requires zero maintenance, the only insert query to parse a new month is automated using a `node-cron` scheduled task. The app is packed as a Docker image, either in Github Actions or locally, and is available for both x86 and ARM platforms. It also has Winston logger and Plausible analytics.
 
 You can find more implementation details in the <Link href="https://github.com/nemanjam/hn-new-jobs/tree/main#implementation-details" variant="markdown" target="_blank" title="README.md file">README.md</Link> file on Github.