Docker Compose build vs image on a VPS
The image key pulls a published tag. The build key makes one locally. What each means on a VPS, why compose up ignores your Dockerfile change, and the fix.
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Self-hosted AI image generator: real specs
The honest hardware ladder for running Stable Diffusion yourself: what a CPU VPS can do, what SDXL needs, ComfyUI install commands, and disk you should budget.