Update dependencies and remove discontinued providers (#416)

- Update go.mod dependencies (Go 1.23, gophercloud v2, Azure SDK v6)
- Migrate Scaleway SDK from account/v2alpha1 to iam/v1alpha1
- Migrate OpenStack gophercloud from v1 to v2 (context.Context required)
- Remove Equinix Metal provider (service sunset June 2026)
- Remove IONOS Cloud provider (B2B/commercial only)
- Add CLAUDE.md for Claude Code guidance

Signed-off-by: Engin Diri <engin.diri@ediri.de>

Author: dirien

CLAUDE.md

@@ -0,0 +1,66 @@
+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Build and Test Commands
+
+```bash
+# Build all packages
+go build ./...
+
+# Run tests
+go test ./...
+
+# Run a single test
+go test -run TestName ./package/...
+
+# Tidy dependencies
+go mod tidy
+
+# Run linter (requires golangci-lint installed)
+golangci-lint run
+```
+
+## Linting Configuration
+
+The project uses golangci-lint with settings in `.golangci.yaml`:
+- JSON tags use snake_case, YAML tags use camelCase (`tagliatelle` linter)
+- `ioutil.*` functions are forbidden - use `os` and `io` packages instead
+- Enabled linters include: `gofumpt`, `gocritic`, `gosec`, `errcheck`, `govet`
+
+## Architecture Overview
+
+This is a Go SDK for managing Minecraft servers across multiple cloud providers. The SDK follows a provider-agnostic pattern where each cloud provider implements a common interface.
+
+### Core Interfaces
+
+**`automation.Automation`** (`automation/automation.go`) - The central interface all cloud providers must implement:
+- `CreateServer`, `DeleteServer`, `ListServer`, `UpdateServer`, `GetServer`, `UploadPlugin`
+
+**`model.MinecraftResource`** (`model/model.go`) - The configuration model representing a Minecraft server specification with getters for server config, Minecraft edition, SSH settings, etc.
+
+### Package Structure
+
+- **`cloud/`** - Cloud provider implementations. Each subdirectory (akamai, aws, azure, civo, do, exoscale, fuga, gce, hetzner, multipass, oci, openstack, ovh, scaleway, vexxhost, vultr) contains a provider implementing `automation.Automation`
+- **`automation/`** - Interface definitions and shared types (`ServerArgs`, `ResourceResults`)
+- **`model/`** - Data models for Minecraft resource configuration (server spec, SSH, Java settings, etc.)
+- **`template/`** - Go templates for cloud-init and bash scripts used during server provisioning. Templates are embedded via `//go:embed`
+- **`update/`** - Remote server operations via SSH (update server, transfer files, execute commands)
+- **`common/`** - Shared utilities
+
+### Adding a New Cloud Provider
+
+1. Create a new directory under `cloud/` with your provider name
+2. Implement the `automation.Automation` interface
+3. Add provider mapping in `cloud/cloud.go`
+4. Add provider constant in `model/model.go`
+
+### Key Dependencies
+
+- Cloud SDKs: Each provider uses its native SDK (e.g., `aws-sdk-go-v2`, `azure-sdk-for-go`, `gophercloud/v2`, `scaleway-sdk-go`)
+- SSH: `github.com/melbahja/goph` for remote command execution
+- Templates: `github.com/Masterminds/sprig/v3` for template functions
+
+## Commit Requirements
+
+Sign-off commits with `git commit -s` for DCO compliance.

cloud/azure/azure.go

@@ -10,8 +10,8 @@ import (
 
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
 	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
-	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v5"
-	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v5"
+	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v6"
+	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/network/armnetwork/v6"
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources"
 	"github.com/dirien/minectl-sdk/automation"
 	"github.com/dirien/minectl-sdk/cloud"

cloud/cloud.go

@@ -17,12 +17,10 @@ var cloudProvider = map[string]string{
 	"hetzner":   "Hetzner",
 	"akamai":    "Akamai Connected Cloud",
 	"ovh":       "OVHcloud",
-	"equinix":   "Equinix Metal",
 	"gce":       "Google Compute Engine",
 	"vultr":     "vultr",
 	"azure":     "Azure",
 	"oci":       "Oracle Cloud Infrastructure",
-	"ionos":     "IONOS Cloud",
 	"aws":       "Amazon Web Services",
 	"vexxhost":  "VEXXHOST",
 	"exoscale":  "Exoscale",