A SaaS that compiles into one binary does not need a deployment platform. It

needs a server, a proxy that gets certificates, and a backup you have

restored at least once.

Here is the complete setup, in the order you would actually do it.

What you are building

Internet │ :80 / :443 ┌────▼─────┐ Let's Encrypt certificates, HTTP→HTTPS │ Traefik │ └────┬─────┘ │ docker network "traefik" ┌────▼─────┐ one process: API + embedded Vue app + job worker │ app │ └────┬─────┘ │ ┌────▼─────┐ not exposed to the internet │ postgres │ └──────────┘

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Two containers you wrote nothing for, one that is your product. A 1 vCPU /

2 GB server runs this comfortably at the start.

Step 1: the server and DNS

Any provider works; for EU data residency, Hetzner, Scaleway and OVHcloud are

the usual answers.…