users-api service

Dockerfile

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+FROM golang:1.25-alpine AS builder
+WORKDIR /src
+COPY go.mod ./
+RUN go mod download
+COPY . .
+RUN go build -o /users-api .
+
+FROM alpine:3.20
+COPY --from=builder /users-api /usr/local/bin/users-api
+EXPOSE 8080
+ENTRYPOINT ["users-api"]

go.mod

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+module users-api
+
+go 1.25.6

main.go

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+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"os"
+)
+
+type User struct {
+	ID   int    `json:"id"`
+	Name string `json:"name"`
+}
+
+var users = []User{
+	{1, "Alice"},
+	{2, "Bob"},
+	{3, "Charlie"},
+}
+
+func main() {
+	http.HandleFunc("/healthz", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(200)
+	})
+
+	http.HandleFunc("/users", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(users)
+	})
+
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "8080"
+	}
+	log.Printf("users-api listening on :%s", port)
+	log.Fatal(http.ListenAndServe(":"+port, nil))
+}

stackfile.toml

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+[app]
+name     = "users-api"
+image    = "git.nodeup.ru/stackops/users-api:latest"
+replicas = 1
+port     = 8080
+
+[ingress]
+host = "users.app.nodeup.ru"
+path = "/"
+tls  = true
+
+[health]
+liveness  = "/healthz"
+readiness = "/healthz"