Postiz One-Click Service missing X/Twitter environment variables

[saikhalladi-wq]

Problem

The Postiz one-click service template is missing X (Twitter) integration environment variables.

Current Behavior

• ✅ LinkedIn, Instagram, Facebook, TikTok → All work perfectly
• ❌ X (Twitter) → Fails with "Could not connect to the platform" error
• Manually adding environment variables in Coolify UI doesn't work (not passed to container)

Root Cause

The Postiz template is missing these required environment variables:

• X_API_KEY (OAuth 1.0a Consumer Key)
• X_API_SECRET (OAuth 1.0a Consumer Secret)
• X_CLIENT (OAuth 2.0 Client ID)
• X_SECRET (OAuth 2.0 Client Secret)

Evidence

In v4.0.0-beta.461, Instagram variables were added with this fix:

"fix(service): add instagram envs to postiz template"

X/Twitter needs the same treatment.

Expected Behavior

X environment variables should be included in the Postiz template, just like:

• LINKEDIN_CLIENT_ID / LINKEDIN_CLIENT_SECRET
• INSTAGRAM_CLIENT_ID / INSTAGRAM_CLIENT_SECRET
• etc.

Additional Context

• X Developer Portal: All configured correctly
• Postiz Documentation: https://docs.postiz.com/providers/x-twitter
• Postiz requires OAuth 1.0a for X (unlike OAuth 2.0 for other platforms)
• Backend logs show no mention of X_API_KEY in container startup

Solution

Add the missing X environment variables to:
templates/compose/postiz.yaml

Similar to the Instagram fix in PR #6424.