feat: Add support for file-based snippets in Studio (#4656)

* Add SNIPPETS_MANAGEMENT_FOLDER env var and set it to snippets dir.

* Remove duplicate lines.

* Bind the snippets volume to the studio.

* Fix whitespace.

* Apply suggestion from @sweatybridge

---------

Co-authored-by: Han Qiao <sweatybridge@gmail.com>

Author: ivasilov

internal/start/start.go

@@ -1143,6 +1143,11 @@ EOF
 		if err != nil {
 			return err
 		}
+
+		// Mount snippets directory for Studio to access
+		hostSnippetsPath := filepath.Join(workdir, utils.SnippetsDir)
+		binds = append(binds, fmt.Sprintf("%s:%s:rw", hostSnippetsPath, hostSnippetsPath))
+		binds = utils.RemoveDuplicates(binds)
 		if _, err := utils.DockerStart(
 			ctx,
 			container.Config{
@@ -1162,6 +1167,7 @@ EOF
 					fmt.Sprintf("NEXT_PUBLIC_ENABLE_LOGS=%v", utils.Config.Analytics.Enabled),
 					fmt.Sprintf("NEXT_ANALYTICS_BACKEND_PROVIDER=%v", utils.Config.Analytics.Backend),
 					"EDGE_FUNCTIONS_MANAGEMENT_FOLDER=" + filepath.Join(workdir, utils.FunctionsDir),
+					"SNIPPETS_MANAGEMENT_FOLDER=" + hostSnippetsPath,
 					// Ref: https://github.com/vercel/next.js/issues/51684#issuecomment-1612834913
 					"HOSTNAME=0.0.0.0",
 				},

internal/utils/misc.go

@@ -80,6 +80,7 @@ var (
 	SchemasDir            = filepath.Join(SupabaseDirPath, "schemas")
 	MigrationsDir         = filepath.Join(SupabaseDirPath, "migrations")
 	FunctionsDir          = filepath.Join(SupabaseDirPath, "functions")
+	SnippetsDir           = filepath.Join(SupabaseDirPath, "snippets")
 	FallbackImportMapPath = filepath.Join(FunctionsDir, "import_map.json")
 	FallbackEnvFilePath   = filepath.Join(FunctionsDir, ".env")
 	DbTestsDir            = filepath.Join(SupabaseDirPath, "tests")