initial commit on Federted servers

Dockerfile

@@ -0,0 +1,17 @@
+# Pinned patch level; keep in lockstep with the tests service in docker-compose.yml.
+FROM golang:1.26.1-alpine3.22 AS build
+RUN apk add --no-cache ca-certificates tzdata
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY main.go ./
+COPY internal ./internal
+RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/computer .
+
+FROM scratch
+COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
+COPY --from=build /usr/share/zoneinfo /usr/share/zoneinfo
+COPY --from=build /out/computer /computer
+USER 65532:65532
+EXPOSE 8080
+ENTRYPOINT ["/computer"]