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Add Secure Login and Sign-Up to Your Web App

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The prompt

Help me add sign-up, login and logout to my web app securely. Stack: [e.g. Next.js, Express, Django, Laravel], database: [type] Login methods wanted: [email and password / Google sign-in / magic link / OTP] Existing auth library or provider, if any: [name] User roles: [e.g. admin, member] Requirements: - Prefer a well-maintained auth library or provider over writing crypto myself; explain the choice in one line. - Passwords hashed with a modern algorithm (never stored or logged in plain text). - Secure session or token handling: HTTP-only, Secure, SameSite cookies; sensible expiry; logout that really ends the session. - Rate limiting on login and password reset; generic error messages that don't reveal whether an email exists. - Password reset flow with single-use, expiring tokens. - Protect routes by role on the server, not just in the UI. Give me the files to add or change, environment variables needed (names only), and a test checklist that includes trying to reach a protected page while logged out.

Why this prompt

• Hand-picked, editorially reviewed prompt
• Written for Claude, ChatGPT, Gemini, Cursor

Source

Created by BestPromptFinder — editorial prompt, not user-generated. See our content & source policy.

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