Rajat shaily
@esperithm91153
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Joined September 2025
Day 51 of building a High-Speed Link Resolution Service Worked on the PostgreSQL layer today — storing and verifying link mappings using SQL and pgAdmin. Next: connect backend APIs and implement redirect logic. #BackendDevelopment #SpringBoot #PostgreSQL #Java
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Day 50 Implemented the redirect functionality in my Spring Boot URL Shortener. Now the system generates short URLs and redirects users to the original link using HTTP 302 responses. Core features working: • Create short URL • Redirect using short code Building step by step.
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Day 49 🚀 Built the core URL Shortener API using Spring Boot. ✔ POST /shorten endpoint ✔ DTO based request/response ✔ Random short code generator ✔ Tested using IntelliJ HTTP client Next: Implementing URL redirect logic. #Java #SpringBoot #Backend #BuildInPublic
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Day 47 & 48 ✅ Connected my Spring Boot URL Shortener to PostgreSQL and verified the full backend flow end-to-end. Removed H2 Configured PostgreSQL Fixed auth errors Hibernate auto-created table Inserted & verified data with SELECT Request → Service → JPA → DB → Stored
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Day 46 🚀 Upgraded my Spring Boot URL Shortener: ✅ Random 6-char short code generator ✅ Collision handling (do-while + containsKey) ✅ Clean JSON response ✅ Proper HTTP 302 redirect From hardcoded values → system thinking.
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Day 45 of building in public Today I implemented real HTTP redirection in my Spring Boot URL Shortener. User hits: /abc123 Server responds with: → 302 status → Location header → Browser auto-redirects
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Day 44 /100 days of code Completed the redirect feature in my URL Shortener today. Now the flow is real: Long URL → Short code → Stored mapping → Visit short link → Get original URL. Still using in-memory storage. One step closer to building production-ready systems.
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Day 43 🚀 Today I properly tested my first POST API end-to-end Sent JSON in the request body, saw it convert into a Java object, flow through the controller, hit the service layer, and return a 200 OK response. Small wins. Real progress. Building fundamentals,one layer at a time.
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Day 42 Started a new Spring Boot project today. Set up the structure from scratch, created my first controller, changed the port. Small progress but feels good actually understanding what’s happening instead of just following tutorials. Still focusing on backend fundamentals.
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Day 41 ✅ Built my first Spring Boot REST API today Started with basics → created controller → connected service layer → hit my first endpoint successfully. Small daily progress is starting to compound. Backend journey continues…
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Day 39 & 40 ✅ Dived deeper into #SpringBoot with real practical AOP implementation: @Before & @AfterReturning advice Pointcuts & logging Proxies + reflection concepts Applied everything on my backend project Less theory, more building #Java #BackendDeveloper #LearningInPublic
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