feat: scrape blog.python.org and store in PostgreSQL

[aashitha20]

Workshop 1 Homework

• Scrapes blog.python.org using Python and BeautifulSoup
• Extracts blog title, URL, and publication date
• Stores scraped data in PostgreSQL
• Uses Docker and Docker Compose for the application and database
• Adds PostgreSQL schema and duplicate handling
• Uses environment variables for database configuration
• Tested the scraper and PostgreSQL integration using Docker Compose

[Copilot]

Pull request overview

This PR turns the existing sample script into a Python web scraper intended to collect posts from blog.python.org and persist them into a PostgreSQL table, packaged for local execution via Docker Compose.

Changes:

• Replaced the previous demo scraping logic with a multi-page blog scraper and PostgreSQL persistence (including deduping on URL).
• Added a PostgreSQL schema (schema.sql) and inserts with ON CONFLICT DO NOTHING.
• Updated containerization to use requirements.txt, and added a Postgres service + env-driven configuration in Docker Compose.

Reviewed changes

Copilot reviewed 4 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
web_scraping_sample.py	Implements scraping, parsing, and PostgreSQL insert logic (plus env configuration).
schema.sql	Defines the blog_posts table with a unique URL constraint for deduplication.
Dockerfile	Builds a runnable scraper image based on requirements.txt.
docker-compose.yaml	Adds PostgreSQL service + healthcheck and wires scraper env vars to the DB container.
.gitignore	Ignores .env, virtualenv, and Python bytecode artifacts.

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