refactor: rename whitelist_hosts config key to allowlist_hosts

internal/config/config.go

@@ -41,7 +41,7 @@ type Config struct {
 
 	// Image proxy settings
 	SigningKey                 string   // HMAC signing key for URL signatures
-	WhitelistHosts             []string // Hosts that don't require signatures
+	AllowlistHosts             []string // Hosts that don't require signatures
 	AllowHTTP                  bool     // Allow non-TLS upstream (testing only)
 	UpstreamConnectionsPerHost int      // Max concurrent connections per upstream host
 }
@@ -69,7 +69,7 @@ func New(_ fx.Lifecycle, params Params) (*Config, error) {
 		MetricsUsername:            getString(sc, "metrics.username", ""),
 		MetricsPassword:            getString(sc, "metrics.password", ""),
 		SigningKey:                 getString(sc, "signing_key", ""),
-		WhitelistHosts:             getStringSlice(sc, "whitelist_hosts"),
+		AllowlistHosts:             getStringSlice(sc, "allowlist_hosts"),
 		AllowHTTP:                  getBool(sc, "allow_http", false),
 		UpstreamConnectionsPerHost: getInt(sc, "upstream_connections_per_host", DefaultUpstreamConnectionsPerHost),
 	}

internal/config/config_test.go

@@ -14,7 +14,7 @@ func TestGetStringSlice_YAMLList(t *testing.T) {
 	configPath := filepath.Join(tmpDir, "config.yml")
 
 	yamlContent := `
-whitelist_hosts:
+allowlist_hosts:
   - static.sneak.cloud
   - sneak.berlin
   - s3.sneak.cloud
@@ -31,7 +31,7 @@ whitelist_hosts:
 	}
 
 	// Test that getStringSlice correctly parses YAML list
-	hosts := getStringSlice(sc, "whitelist_hosts")
+	hosts := getStringSlice(sc, "allowlist_hosts")
 
 	if len(hosts) != 3 {
 		t.Errorf("expected 3 hosts, got %d: %v", len(hosts), hosts)
@@ -54,7 +54,7 @@ func TestGetStringSlice_CommaSeparated(t *testing.T) {
 	tmpDir := t.TempDir()
 	configPath := filepath.Join(tmpDir, "config.yml")
 
-	yamlContent := `whitelist_hosts: "static.sneak.cloud, sneak.berlin, s3.sneak.cloud"`
+	yamlContent := `allowlist_hosts: "static.sneak.cloud, sneak.berlin, s3.sneak.cloud"`
 
 	err := os.WriteFile(configPath, []byte(yamlContent), 0644)
 	if err != nil {
@@ -66,7 +66,7 @@ func TestGetStringSlice_CommaSeparated(t *testing.T) {
 		t.Fatalf("failed to load config: %v", err)
 	}
 
-	hosts := getStringSlice(sc, "whitelist_hosts")
+	hosts := getStringSlice(sc, "allowlist_hosts")
 
 	if len(hosts) != 3 {
 		t.Errorf("expected 3 hosts, got %d: %v", len(hosts), hosts)
@@ -100,7 +100,7 @@ func TestGetStringSlice_Empty(t *testing.T) {
 		t.Fatalf("failed to load config: %v", err)
 	}
 
-	hosts := getStringSlice(sc, "whitelist_hosts")
+	hosts := getStringSlice(sc, "allowlist_hosts")
 
 	if hosts != nil && len(hosts) != 0 {
 		t.Errorf("expected nil or empty slice, got %v", hosts)