PostgreSQL | Ecosyste.ms: Awesome

https://github.com/wendreof/nodemultipledbs

adminer mongoclient mongodb nodejs nosql postgresql sql

Last synced: 06 Apr 2026

https://github.com/saminegash/blockchain-proj

blockchain project

blockchain docker docker-compose moralis nestjs notifications postgresql typescript

Last synced: 24 Mar 2025

https://github.com/lukehedger/graphql-go-postgres-dataloader

Go GraphQL API + Postgres database + DataLoader

dataloader go graphql postgresql

Last synced: 10 May 2026

https://github.com/sminerport/ecommercemicroservices

Microservices-based eCommerce platform with an Angular frontend. Services are submodules and can be deployed via Docker Compose or Kubernetes.

angular api-gateway aspnet-core docker docker-compose dotnet ecommerce kubernetes microservices mongodb mysql ocelot postgresql rabbitmq redis

Last synced: 15 Aug 2025

https://github.com/felipeversiane/task-api

task manager API with redis cache.

cache cicd docker e2e github github-actions golang migrations nginx-proxy pgxpool postgresql redis

Last synced: 04 Jan 2026

https://github.com/hhuziuk/bonorm

Object-relational mapping for TypeScript. Supports MySQL and PostgreSQL.

javascript mysql orm postgresql typescript

Last synced: 09 Apr 2026

https://github.com/kostiantyn-nemchenko/ansible-role-postgresql

Yet another Ansible role for PostgreSQL

ansible ansible-roles database postgresql sql

Last synced: 11 Apr 2026

https://github.com/designliquido/lincones-postgresql

Biblioteca de LinConEs para JavaScript usando PostgreSQL.

hacktoberfest lincones portugues portuguese postgresql sql typescript

Last synced: 01 Jul 2025

https://github.com/tufahel/blog-app-ror

The Blog app is a classic example of a blog website. It is a fully functional website that will show the list of posts and empower readers to interact with them by adding comments and liking posts.

capybara css devise postgresql rails rspec ruby ruby-on-rails

Last synced: 11 Apr 2026

https://github.com/marciojg/microservice-architecture

Este projeto é um exemplo de uma solução de "e-commerce" usando padrões de arquitetura, com 2 principais, que são: SAGA with Choreography e Event Sourcing.

kafka microservices my-apps postgresql rails redis-queue rspec ruby-on-rails sagas

Last synced: 10 Mar 2026

https://github.com/andezion/lera

Мотоциклы для Леры

desctop-app java javafx-application javafx-desktop-apps postgresql user-interface

Last synced: 10 Mar 2026

https://github.com/pmeaney/payloadcms-052225blue

A template ready to turn into a basic Dockerized, Github Actions CICD-deployed PayloadCMS project (e.g. blue-green)

cicd cms docker github-actions javascript nextjs payloadcms postgresql production-ready typescript

Last synced: 11 Apr 2026

https://github.com/mohammadzainabbas/database-system-architecture-project

Database System Architecture's Project - Selectivity & Join estimations for Range Types in PostgreSQL ✨

c-language database postgresql sql vscode

Last synced: 21 Apr 2026

https://github.com/eapenzacharias/recipes-on-rails

The Recipe app keeps track of all your recipes, ingredients, and inventory. It will allow you to save ingredients, keep track of what you have, create recipes, and generate a shopping list based on what you have and what you are missing from a recipe.

postgresql rails rails7 recipe-app ruby tailwindcss

Last synced: 01 Oct 2025

https://github.com/cosmic-heart/AI-Learning-Platform

AI-Learning-Platform, a LLM-RAG pipeline which behaves like a guide and able to solve doubts. Deployed on-premise IBM ppc64le architecture. vLLM for model inference & Qdrant with Langchain for RAG Pipeline. Server written in django, postgres & cassandra as the sql & nosql databases.

cassandra django langchain llm postgresql ppc64le qdrant ray-distributed vllm

Last synced: 18 Aug 2025

https://github.com/dqmrf/taskmanager

Task manager application built using Ruby on Rails technology.

haml heroku postgresql rails rails-application rails4 rspec ruby ruby-on-rails

Last synced: 29 Sep 2025

https://github.com/rodo/pg_expulo

PostgreSQL tool for extracting, anonymising and loading data

anonymization etl postgresql

Last synced: 20 Jan 2026

https://github.com/belmeetmule/awblog

A simple blog app where users can post their articles and read what others have posted !!

bootstrap5 django-application javascript postgresql python3

Last synced: 11 Apr 2026

https://github.com/turbot/steampipe-plugin-newrelic

Use SQL to instantly query alerts, events, and more from New Relic. Open source CLI. No DB required.

backup etl golang hacktoberfest newrelic postgresql postgresql-fdw sql sqlite steampipe steampipe-plugin zero-etl

Last synced: 09 Apr 2026

https://github.com/v-blaze/gvash-planes-api

GVASH PLANES is a rails API Web-App where users can browse list of planes and make reservations on a plane for a given duration.

api database jwt-authentication postgresql rails rails-api rspec ruby-on-rails

Last synced: 20 Jan 2026

https://github.com/rafat-alam/mdx-editor

MDX Editor is a modern platform for creating and organizing .mdx documents with AI-assisted writing, live preview, and folder management for dynamic, interactive content.

nextjs postgresql redux-tookit tailwindcss typescript

Last synced: 18 Jan 2026

https://github.com/arunava2018/prepmate-fullstack

An interactive, browser-based learning platform featuring curated collections of topic-specific computer science questions-answers, interview experiences with Markdown support, syntax highlighting for code, and learners’ progress tracking. Also includes a dedicated admin panel for seamless content management.

expressjs framer-motion jwt-authentication nodejs postgresql prisma reactjs redis shadcn-ui tailwindcss vercel

Last synced: 30 Sep 2025

https://github.com/remcostoeten/nextjs-lucia-neon-postgresql-drizzle-dashboard

A personal all-in-one panel with tons of productivity tools and utillity helpers I use on a day-to-day basis. Build in NextJS, Lucia auth, PostgreSQL, TypeScript, drizzle-orm and more

crud drizzle-orm framer-motion lucia-auth neondb nextjs14 notes-app postgresql react server-actions tailwindcss typescript

Last synced: 18 Jun 2025

https://github.com/murali20kumar/to-do-list-project

This is a fully functional to-do list web application that helps users organize and manage their tasks effectively. Built with HTML, CSS, and JavaScript for a user-friendly front-end interface, and powered by Node.js and Express.js on the back-end. The application leverages PostgreSQL for secure and efficient task data storage.

express-js html-css-javascript node-js postgresql

Last synced: 19 Feb 2026

https://github.com/kazvee/lightbnb

🏡 Multi-page property booking app that uses server-side JavaScript to display website search results obtained via queries to a PostgreSQL database.

express nodejs postgresql sass

Last synced: 11 Apr 2026

https://github.com/MatteoGioioso/blog-articles

My personal blog articles

aws go golang nodejs postgresql serverless

Last synced: 15 Apr 2025

https://github.com/dmarzzucco/t-a-s-k-----f-l-o-w

About TaskFlow is a modular project and task management template, designed to optimize collaboration, access control, and adaptability across various industries and workflows.

api-rest asp-net asp-net-core backend cookie csharp docker docker-compose eft entity-framework httpcontextaccessor jwt-token microsoft netcore postgresql role-permissions sequelize

Last synced: 16 Apr 2026

https://github.com/marlinsk/nestjs-backend-local-file-upload

Aplicação de upload de arquivos, onde o arquivo é armazenado localmente dentro do back-end. Aplicação desenvolvida com node.js, nest.js, multer, docker-compose, postgresql, prisma orm.

docker docker-compose express javascript multer nestjs nodejs postgresql prisma typescript upload-file

Last synced: 10 Apr 2026

https://github.com/ms-daniel/gerencia-de-estoque

Sistema para gestão de estoque com Angular + Tailwind + Laravel

angular css3 html5 laravel php postgres postgresql tailwind tailwindcss typescript

Last synced: 26 Jan 2026

https://github.com/williamkoller/suttungr

Rest API

docker nestjs nginx nodejs postgresql proxy-reverse rest rest-api

Last synced: 10 Apr 2026

https://github.com/bryceberczik/digbi-ai

Digbi AI is an innovative text-to-video (TTV) chatbot powered by OpenAI and the D-ID API. The chatbot is designed to analyze user-provided prompts and JSON data, generating insightful AI-driven text responses. These responses are then transformed into dynamic, AI-generated videos using D-ID's cutting-edge video synthesis technology.

ai artificial-intelligence postgresql threejs typescript

Last synced: 19 Feb 2026

https://github.com/ntkme/postgresql-cidr

:elephant: PostgreSQL cidr extension.

cidr inet ipv4 ipv6 plpgsql postgresql postgresql-extension

Last synced: 15 Oct 2025

https://github.com/raunofreiberg/blackford

Dockerized Node.js & PostgreSQL SPA with a React & Redux client

css-modules docker express javascript jsx knex nginx nodejs passportjs postgresql react redux scss webpack

Last synced: 09 Apr 2026

https://github.com/0jc1/cointracker

An open source cryptocurrency portfolio tracker.

alpinejs cryptocurrency django django-project django-rest-framework postgresql

Last synced: 27 Oct 2025

https://github.com/crispengari/java-startup

💎 This repository contains some java backend applications using different technologies.

api-rest java mongodb mysql postgresql spring-boot springboot

Last synced: 11 Apr 2026

https://github.com/twofold-one/moviein

Movie information JSON REST API

api caddy go golang postgres postgresql

Last synced: 10 Mar 2026

https://github.com/anonymous961/campusswap

Welcome to campusSwap! 🎓 A project designed for individuals looking to buy or sell items within their university or college campus community. With campusSwap, you can easily connect with others nearby to trade textbooks, gadgets, and more. Join us in simplifying the process of finding and exchanging goods right where you are. Happy swapping! 🚀

expressjs monogodb neondb postgresql reactjs sequelize socket-io

Last synced: 10 Apr 2026

https://github.com/saulortega/pgeo

Geometric Types for Postgres

geometric geometric-types geometry go golang postgres postgresql psql types

Last synced: 03 Mar 2026

https://github.com/chrstncleofas/django-postgresql-2024

Django with PostgreSQL include schema migrations for managing database changes, full-text search support, JSONB storage for efficient handling of JSON data, and compatibility with PostgreSQL's PostGIS extension for geographic data. The combination also leverages PostgreSQL's concurrency control, transaction support, and other advanced features.

css3 django html5 postgresql python3

Last synced: 05 May 2026

https://github.com/mrueda/omop-csv-validator

The OMOP CSV Validator is a CLI tool that validates CSV files against JSON schemas generated from OMOP Common Data Model (CDM) DDL fiiles

cnag csv csv-validator json-validator linux ohdsi omop-cdm perl postgresql schema

Last synced: 04 Apr 2025

https://github.com/xiaozhiliaoo/database-product-practice

Focus on SQL/NewSQL Relation Database Product.

duckdb mysql postgresql sqlite tidb

Last synced: 05 Apr 2026

https://github.com/jarvma18/app-docker-compose-template

Ready template for dockerized application

api backend docker docker-compose jest knexjs nodejs nodemon postgresql typescript

Last synced: 11 Apr 2025

https://github.com/mislenesm/literalura-desafio

Desenvolvido um catálogo de livros tendo como principal objetivo trabalhar com ferramentas do Java, realizando solicitações a uma API de livros, manipulando dados JSON, armazenando em um banco de dados e, por fim, filtrando e mostrando os livros e autores de interesse.

api git jackson java json pgadmin4 poo postgresql

Last synced: 15 May 2026

https://github.com/swarm64/s64da-installer

Swarm64 DA Product Installer

postgresql psql

Last synced: 16 May 2026

https://github.com/fadd3079-prog/ruangusahakita

Open-source full-stack marketplace project for UMKM digital services, creator workflows, campaign briefs, checkout, revisions, file delivery, and multi-role dashboards.

ecommerce javascript marketplace nextjs open-source postgresql tailwindcss typescript umkm

Last synced: 02 Jul 2026

https://github.com/schbenedikt/datamining

Heise (https://heise.de) News Crawler

data data-science heise postgresql web-crawler

Last synced: 10 Apr 2025

https://github.com/rokhimin/ruby-crud

A ruby CRUD using ActiveRecord and postgreSql database | without Rails, Sinatra, etc

activerecord crud postgresql rake ruby

Last synced: 21 Mar 2025

https://github.com/thecodechaser/todo-list-back-end

Todo-List back-end is an application for users to handle their daily tasks. Users can add, delete, and update tasks from the list. This is the back-end APIs built in NodeJS and ExpressJS

expressjs nodejs postgresql sequelize

Last synced: 06 Apr 2026

https://github.com/johnftitor/personal-portfolio-api

This is an API meant to hold all the data for my Portfolio regarding each project I've made. This includes methods for Storing, Deleting and Getting projects. The main goal with this is to facilitate the way I add new projects, separating the front-end logic with the data

api backend postgresql rails ruby

Last synced: 05 May 2026

https://github.com/ronitrajfr/ayoni

Open-source web analytics built for modern websites — simple, fast, and easy to use.

analytics next-auth nextjs postgresql prisma shadcn typescript

Last synced: 05 Apr 2025

https://github.com/budiigunawan/bambino-backend

API for Bambino, a simple and user-friendly e-commerce platform built to sell baby clothes.

e-commerce example-project hono postgres postgresql prisma zod

Last synced: 19 Jan 2026

https://github.com/erdl/survey_display

An interface to display questions via browsers stored in a database managed by survey_admin.

elm flask postgresql survey thermal-comfort

Last synced: 03 Apr 2025

https://github.com/oddyamill/kiasuo

dnevnik.kiasuo.ru in Telegram!

cloudflare discord docker golang kiasuo postgresql telegram terraform typescript

Last synced: 20 Jan 2026

https://github.com/solobarine/bite_express

Bite Express is a full-stack app that connects users with restaurants, featuring authentication, reviews, meals, orders, carts, and customizable themes.

formik neondb postgresql reactjs render ruby-on-rails tailwindcss typescript vercel

Last synced: 20 Jan 2026

https://github.com/andreoliwa/scrapy-tegenaria

🕷🕸 Spiders to crawl ads of houses and apartments. 🏠 🏢

crawler flask postgresql python python3 scrapy

Last synced: 13 Apr 2025

https://github.com/hvalfangst/flaskapi-sqlalchemy-redis-auth

REST API written in Python using Flask with SQLAlchemy, Redis Cache and JWT

docker flask flask-api flask-application flask-sqlalchemy jwt postgresql python redis sqlalchemy

Last synced: 11 Apr 2026

https://github.com/meyer1994/txtmap

Hobby project trying to mimic yourworldoftext.com

lambda postgresql python travis websockets

Last synced: 15 May 2026

https://github.com/alexboia/stakhanovise.net

A job processing queue over an existing PostgreSQL instance, for .NET Standard 2.1. That's it and nothing more. Interested? Read on, komrade!

background-jobs csharp distributed-systems dotnet dotnet-core netstandard netstandard20 npgsql postgresql queue queue-workers

Last synced: 11 Apr 2025

https://github.com/k1low/postgresql-practice

PostgreSQL Practice

postgresql practice replication

Last synced: 04 Aug 2025

https://github.com/0taviopascoal/bookstore-api

Projeto de uma Livraria feita com Java Spring Boot com conexão ao banco de dados, segurança com JWT e etc...

java jpa jwt-token postgresql spring-boot

Last synced: 05 May 2025

https://github.com/bifenzine/causebank-crowdfunding-platform-for-charities

CauseBank is a powerful crowdfunding platform for charities, offering secure donations, easy organization verification, and seamless payment processing. With advanced search, KYC validation, cloud storage, and image/video compression, CauseBank ensures transparency, trust, and efficiency—empowering both donors and organizations.

ci-cd cloudstorage docker java javamailsender material-ui maven mongodb nginx oauth2 postgresql rbac react spring-boot spring-security stripe tailwindcss

Last synced: 01 Apr 2025

https://github.com/maulanasdqn/ingridient-api

Ingridient Management API Build with Express and Drizzle ORM

drizzle express lucia postgresql

Last synced: 20 Apr 2026

https://github.com/smolodtsova13/foodgram

Продуктовый помощник, сайт для публикации рецептов

django django-rest-framework docker github-actions nginx postgresql python workflow

Last synced: 03 Apr 2025

https://github.com/osmanaliyardim/ecommercemicroservicesv2

Microservices on .Net platforms which used ASP.NET Web API, Docker, RabbitMQ, MassTransit, Grpc, Yarp API Gateway, PostgreSQL, Redis, SQLite, SqlServer, Marten, Entity Framework Core, CQRS, MediatR, DDD, Vertical and Clean Architecture implementation with using latest features of .NET 8 and C# 12

aspnetcore clean-architecture cqrs-pattern ddd-architecture docker domain-driven-design dotnet entity-framework-core event-driven-architecture event-sourcing masstransit microservices mongodb postgresql rabbitmq redis sql-server sqlite vertical-slice-architecture yarp-gateway

Last synced: 02 Feb 2026

https://github.com/neuodev/hackernoon

Backend for blog platform. support register, Login, Logout, Confirm Email, Forget Password, Change Password, edit post, get all posts, get all post for user. Built on top Node.js, Express, TypeGraphQL, TypeORM, Redis, Express-Cookies, Nodemailer, PostgresQL

cookies nodemailer postgresql redis sessions typegraphql typeorm typescript validation

Last synced: 05 May 2026

https://github.com/gschlager/pgsql-mbox-download

Download script for PostgreSQL Mailing Lists

mbox postgresql

Last synced: 05 Apr 2025

https://github.com/dashrathmundkar/postgresql-cron-backup-kubernetes

Cron job to backup the data from one database and upload to another database on kubernetes environment.

backup dump kubernetes kubernetes-cronjob pgdump pgsql postgres postgresql

Last synced: 14 May 2026

https://github.com/PaoDevelopers/cca-legacy

[Mirror] IB Computer Science IA (Course Selection System)

go golang postgresql school web websocket

Last synced: 30 Dec 2025

https://github.com/bibacrm/camunda-health-monitor

Lightweight monitoring dashboard for Camunda 7 clusters with real-time metrics, JVM health tracking, and database analytics. Built with Flask, Alpine.js, and Tailwind CSS.

alpine bpm camunda cluster-monitoring dashboard flask health-check jvm-metrics monitoring postgresql process-automation prometheus python tailwind workflow

Last synced: 12 Jun 2026

https://github.com/jasontanx/bigquery-to-postgres-etl

Data ingestion from Google BigQuery to PostgreSQL

big-query data-engineering etl-pipeline postgresql

Last synced: 15 May 2026

https://github.com/gilcierweb/api-elixir

API Elixir and PostgreSQL with Plug (Standalone)

api-elixir elixir elixir-apps elixir-lang elixir-library elixir-plug elixir-wrapper postgresql

Last synced: 15 Jun 2025

https://github.com/shencangsheng/pg_bedtools_rs

A PostgreSQL plugin for bedtools, implemented in Rust.

bed bedtools pgrx plugin position postgresql rust

Last synced: 16 Feb 2026

https://github.com/esaiaswestberg/imapped

Speed up your email workflow with a local IMAP mirror. Built in Rust with PostgreSQL, Redis, and S3-compatible storage for blazing-fast caching and search.

caching email imap mail-server object-storage offline-first postgresql proxy rust s3 self-hosted tantivy

Last synced: 30 Jun 2026

https://github.com/refactorian/nextcloud-docker

Nextcloud Docker - Nextcloud v28.x, Postgres v16.x

docker docker-compose dockerized nextcloud nextcloud-app nextcloud-docker nextcloud-installation nextcloud-server postgres postgres-docker postgresql

Last synced: 27 Jan 2026

https://github.com/ak4m410x01/examination_platform_api

ExamSandbox is a secure examination platform using Docker for isolated code execution. Ideal for educational assessments, it offers a user-friendly interface, robust security measures, and detailed result evaluations.

django django-rest-framework docker docker-compose examination-system exams-management-system postgresql python rest-api university

Last synced: 15 Jun 2025

https://github.com/crispengari/dataloom-py

🍦🍦 Dataloom is a custom Python ORM crafted for efficient management of SQLite3, PostgreSQL, and MySQL databases. Unlike traditional ORMs, Dataloom is purpose-built from the ground up, providing a seamless and optimized experience across diverse database engines. 🐍

mysql orm orm-framework postgresql python3 sqlite3

Last synced: 05 May 2026

https://github.com/akashkobal/tech-mahindra

Tech Mahindra Training Repository | Learning HTML, CSS, JavaScript, Full Stack Java, JSP, Hibernate, Spring, Web Services (RESTful APIs), Spring Boot, React.js and more, as part of Tech Mahindra IT Training. This repository contains frontend, backend, database, and related documentation files.

akash-kobal api-development css eclipse-ide hibernate html it-development java-web-development js mysql postgresql reactjs restful-api software-engineering spring-boot tech-mahindra training

Last synced: 16 Feb 2026

https://github.com/rajharit77/tapakila-nextjs-app

Tapakila est une plateforme complète de billetterie événementielle permettant aux utilisateurs de parcourir des événements, réserver des billets et gérer leurs réservations.

aos html5 javascript material-ui neondb nextauth nextjs nextjs15-typescript postgresql postgresql-database prisma prisma-accelerate prisma-orm prisma-postgres swiper tailwindcss typescript

Last synced: 12 Apr 2025

https://github.com/beingofexistence13/dx-database-native

╏╠══[𝍖𝍖𝍖◤ 𝖉𝖝-𝖉𝖆𝖙𝖆𝖇𝖆𝖘𝖊-𝕹𝖆𝖙𝖎𝖛𝖊 ◥𝍖𝍖𝍖]      💦 is an open-source project aimed at solving native app database-related problems. It ensures cross-platform compatibility, efficient performance, easy integration, robust error handling, and strong community support. Join us in revolutionizing database management! 😄🎈🎊

aws firebase mongodb myspl neo4j pocketbase postgresql sql supabase

Last synced: 06 Apr 2026

https://github.com/jimenacambronero/hr_unicorn

Practica de MySQL para Unicorn Project 👩‍💻🦄📊. Caso HR_unicorn, empresa que se dedica al reclutamiento de perfiles. Se entrega un listado con todos las datos que quiere que sea extraido con SQL de base datos

analisis-de-data bases-de-datos mysql postgresql

Last synced: 15 May 2026

https://github.com/henriqueweiand/quiz-english

Unleash your inner brainiac with Quiz-English! Our clever AI gathers real-world knowledge from news, videos, podcasts, and more, crafting quizzes that challenge and intrigue history buffs, science geeks, and anyone who loves learning something new.

neondb nextjs openai postgresql shadcn-ui trivia-quiz-game

Last synced: 05 Apr 2026

https://github.com/alexfer/inno

Inno e-commerce symfony

docker ecommerce elasticsearch marketplace mercure mercure-hub payment-gateway php php8 postgresql redis shop shopping supervisor symfony tailwindcss

Last synced: 11 Apr 2025

https://github.com/frnn4268/k8s_3-tier_webapp_deployment

This project defines Kubernetes manifests and Helm charts to deploy a 3-tier web application, including frontend, backend, database, and ingress routing. It uses Helm for PostgreSQL and Traefik installation and provides a structured approach to manage deployments, secrets, services, and ingress routes.

deployment devops golang helm kubernetes nodejs postgresql react traefik

Last synced: 04 Apr 2026

https://github.com/apache/shardingsphere-externals

Distributed database middleware

database database-cluster distributed-database distributed-sql-database distributed-transactions middleware mysql postgresql shard shardingsphere sql

Last synced: 10 Apr 2025

https://github.com/gisce/oopgrade

OpenObject Upgrade lib

hacktoberfest migration openerp postgresql sql

Last synced: 12 Apr 2025

https://github.com/sanaa-ennaji/ecomove

Brif java 1

java-8 jdbc-driver poo postgresql sql

Last synced: 02 Feb 2026

https://github.com/tigrov/yii2-pgsql-enum

Enum type behavior and helper for Yii2, for PostgreSQL only

enum pgsql postgres postgresql yii2-extension

Last synced: 16 Feb 2026

https://github.com/debas-31/clinic

This is a project clinic database created based on a diagram

postgresql sql

Last synced: 12 Apr 2025

https://github.com/kenanbek/django-rest-skeleton

Django and REST Framework skeleton project.

django django-rest-framework docker docker-compose dockerfile postgres postgresql python rest rest-api

Last synced: 20 Jan 2026

https://github.com/kedarvartak/db-cortex

This project allows users to query databases through simple natural language commands.

csv mongodb postgresql sql

Last synced: 06 Mar 2026

https://github.com/hptrk/exence

Exence is a personal finance management application designed to help users track their income, expenses, and set financial goals. With a modern, intuitive interface, Exence provides insightful analytics, recurring transactions, and real-time updates for a smooth user experience.

angular full-stack java jwt-authentication personal-project postgresql rxjs spring-boot typescript