2026-03-30·6 min read·sota.io team

Deploy Go to Europe — EU Hosting for Go Microservices and APIs

Go has become the language of choice for high-performance APIs, microservices, and infrastructure tooling. Its fast startup time, small binary size, and minimal memory footprint make it ideal for containerised deployments — and its adoption in cloud-native backends has grown significantly in 2025 and 2026.

But when European developers deploy Go applications, most tutorials default to US-based infrastructure. For EU companies handling personal data, that is not a technical choice — it is a legal one.

This guide shows you how to deploy a Go application to European servers in seconds using sota.io — with GDPR-compliant data residency, managed PostgreSQL, and zero DevOps overhead.

Why EU Infrastructure Matters for Go Backends

Go is widely used for:

REST and gRPC APIs — handling user requests, authentication, and business logic
Data pipelines — processing logs, events, and analytics
AI agent backends — serving LLM responses, managing memory, routing requests
Internal tooling — deployment systems, monitoring daemons, queue workers

Each of these categories frequently handles personal data — user identifiers, session tokens, request logs. Under GDPR Article 44, personal data cannot be transferred to a third country without appropriate safeguards. Deploying to US infrastructure without a Data Processing Agreement creates compliance exposure.

The simple solution: deploy where your users are. sota.io runs on Hetzner Cloud in Germany. Your data never leaves the EU.

Deploying a Go Application to sota.io

Option 1: Auto-detected Go binary (no Dockerfile needed)

sota.io can build and run Go applications automatically if your project has a main.go at the root. The platform detects Go, runs go build, and starts the binary. Your app must listen on the PORT environment variable.

// main.go
package main

import (
    "fmt"
    "net/http"
    "os"
)

func main() {
    port := os.Getenv("PORT")
    if port == "" {
        port = "8080"
    }

    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintln(w, "Hello from EU-hosted Go!")
    })

    http.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
        w.WriteHeader(http.StatusOK)
    })

    fmt.Printf("Listening on :%s\n", port)
    http.ListenAndServe(":"+port, nil)
}

Deploy with the CLI:

curl -fsSL https://sota.io/install.sh | sh
sota deploy

You get a live HTTPS URL at your-app.sota.io within 60 seconds.

Option 2: Dockerfile for full control

For production Go services, a multi-stage Dockerfile gives you a small, optimized image:

FROM golang:1.23-alpine AS builder
WORKDIR /app
COPY go.mod go.sum ./
RUN go mod download
COPY . .
RUN CGO_ENABLED=0 GOOS=linux go build -o server .

FROM alpine:3.19
RUN apk add --no-cache ca-certificates
WORKDIR /app
COPY --from=builder /app/server .
EXPOSE 8080
CMD ["./server"]

sota.io auto-detects the EXPOSE 8080 directive and routes traffic accordingly. No configuration files required.

Connecting to the Managed PostgreSQL Database

Every sota.io project includes a managed PostgreSQL 17 database. The DATABASE_URL environment variable is auto-injected at runtime — no setup required.

Using pgx (recommended):

package main

import (
    "context"
    "fmt"
    "os"

    "github.com/jackc/pgx/v5"
)

func main() {
    conn, err := pgx.Connect(context.Background(), os.Getenv("DATABASE_URL"))
    if err != nil {
        fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
        os.Exit(1)
    }
    defer conn.Close(context.Background())

    var greeting string
    err = conn.QueryRow(context.Background(), "SELECT 'Hello from PostgreSQL'").Scan(&greeting)
    if err != nil {
        fmt.Fprintf(os.Stderr, "QueryRow failed: %v\n", err)
        os.Exit(1)
    }
    fmt.Println(greeting)
}

Using database/sql with lib/pq:

import (
    "database/sql"
    "os"
    _ "github.com/lib/pq"
)

db, err := sql.Open("postgres", os.Getenv("DATABASE_URL"))

Running Migrations on Startup

sota.io containers have no shell access — migrations must run as part of your startup sequence. Chain them before your server starts:

// main.go
func main() {
    runMigrations()  // run before starting HTTP server
    startServer()
}

With golang-migrate:

# In your Dockerfile CMD or startup script
/app/migrate -path /app/migrations -database $DATABASE_URL up && /app/server

Go Microservices: A Practical Example

Here is a complete REST API using chi router with PostgreSQL:

package main

import (
    "encoding/json"
    "fmt"
    "net/http"
    "os"

    "github.com/go-chi/chi/v5"
    "github.com/go-chi/chi/v5/middleware"
    "github.com/jackc/pgx/v5/pgxpool"
    "context"
)

type App struct {
    db *pgxpool.Pool
}

func main() {
    pool, err := pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
    if err != nil {
        fmt.Fprintf(os.Stderr, "Database connection failed: %v\n", err)
        os.Exit(1)
    }
    defer pool.Close()

    app := &App{db: pool}

    r := chi.NewRouter()
    r.Use(middleware.Logger)
    r.Use(middleware.Recoverer)

    r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
        w.WriteHeader(http.StatusOK)
    })
    r.Get("/users", app.listUsers)

    port := os.Getenv("PORT")
    if port == "" {
        port = "8080"
    }
    fmt.Printf("API listening on :%s\n", port)
    http.ListenAndServe(":"+port, r)
}

func (a *App) listUsers(w http.ResponseWriter, r *http.Request) {
    rows, _ := a.db.Query(r.Context(), "SELECT id, email FROM users LIMIT 20")
    defer rows.Close()

    var users []map[string]any
    for rows.Next() {
        var id int
        var email string
        rows.Scan(&id, &email)
        users = append(users, map[string]any{"id": id, "email": email})
    }

    w.Header().Set("Content-Type", "application/json")
    json.NewEncoder(w).Encode(users)
}

sota.io vs. Other Platforms for Go

	sota.io	Railway	Render	Fly.io
EU data residency	Germany (default)	US default	US default	EU region (extra config)
GDPR-compliant	Yes	Requires DPA	Requires DPA	Requires DPA
Go auto-detect	Yes	Yes	Yes	No (needs Dockerfile)
Managed PostgreSQL	Included, free	Add-on, $5/mo	Add-on, $7/mo	Managed via Fly Postgres
Pricing	Flat €9/mo	Usage-based	Usage-based	Usage-based
Multi-stage builds	Yes	Yes	Yes	Yes

For EU teams building Go services that handle personal data, sota.io is the only platform where GDPR-compliant data residency is the default — not an extra configuration step.

Go APIs commonly handle:

JWT authentication tokens — contain user identifiers (personal data)
Request logging — IP addresses, user agents (personal data under GDPR)
Database queries — user records, session data

If your Go API processes any of this data and your users are in the EU, GDPR applies regardless of where your company is incorporated. Article 3 has extra-territorial scope.

Practical steps:

Deploy to EU infrastructure (this guide)
Sign a Data Processing Agreement with your hosting provider
Configure structured logging to avoid storing personal data longer than needed
Use sota.io's managed PostgreSQL — backups stay in Germany, encryption at rest included

Summary

Deploying Go to Europe with sota.io:

Write a Go app that listens on $PORT
Run sota deploy
Get a live HTTPS URL at {slug}.sota.io in under 60 seconds
DATABASE_URL is auto-injected — PostgreSQL 17 ready immediately
EU data residency by default — GDPR-compliant out of the box

No Dockerfile required for simple apps. Full Docker support for production microservices. Managed PostgreSQL with connection pooling included.

Start deploying: sota.io →