Free Self-Hosting: How to Deploy Your Infrastructure at $0 Cost

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Based on the reference cover's composition, visual metaphors, and WeChat official account thumbnail readability, generate a new horizontal WeChat official account cover. Output size: 1456x582, ratio about 2.5:1; the core subject and essential title information should also work within WeChat's safe square crop. WeChat article title: {fill in the WeChat article title} Intro: {fill in the intro} Original cover method: Free Self-Hosting: How to Deploy Your Infrastructure at $0 Cost dual-skill style Create a horizontal WeChat public-account article cover, 2.35:1 aspect ratio, for an article titled "Free Self-Hosting: How to Deploy Your Infrastructure at $0 Cost". Central concept: visualize psychological change as a door, road, abyss, mirror, map, game level, or a person facing a giant metaphor. Style: preserve the reference cover's visual direction: dark high-contrast cinematic/allegorical cover. Use a palette inspired by #050602 (black), #0e100a (black), #213533 (charcoal), #070d09 (black). Keep the image editorial, conceptual, and readable as a small WeChat thumbnail. Composition: dark background with strong atmosphere, suitable for a single glowing focal point, a character silhouette, or a central metaphorical object. Keep the main subject and any essential title text inside the safe square crop, while using the full wide frame for atmosphere, secondary symbols, or directional motion. Text strategy: use either no text or a very short headline fragment from the title. If text is used, make it large, clean, and integrated into the layout rather than pasted on top. Mood: match the article skill "Free Self-Hosting: How to Deploy Your Infrastructure at $0 Cost dual-skill style" -- useful, sharp, high-signal, and slightly more memorable than a normal tutorial thumbnail. Avoid: photorealistic clutter unless the source cover is photo-led, fake logos, unreadable tiny text, generic gradient blobs, stock-office imagery, watermark-like marks, and literal screenshots unless the article is explicitly about software interfaces.