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Caddy — Zero-Config Web Server with Automatic HTTPS
Deploy Caddy to serve websites and reverse proxy Docker apps with automatic Let's Encrypt TLS out of the box.
curl — Command Line HTTP Client & API Debugger
Complete beginner guide to curl, testing REST APIs, inspecting HTTP response headers, verifying SSL/TLS certificates, and debugging response timing with command flag breakdowns.
JavaScript fetch() Basics — Asynchronous HTTP, JSON, and Error Handling
Complete beginner guide to the modern JavaScript fetch API, handling HTTP errors with res.ok, POSTing JSON payloads, and request timeouts with AbortController.
TLS with Let's Encrypt — ACME Without Tears
Complete beginner guide to HTTPS certificates, ACME HTTP-01 vs DNS-01 challenges, Certbot commands, flags, automated renewal, and certificate chains.