feat: backend service

backend/internal/postgres/migrations/embed.go

@@ -0,0 +1,17 @@
+// Package migrations exposes the goose migrations applied at backend startup.
+package migrations
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed *.sql
+var migrationFiles embed.FS
+
+// Migrations returns the embedded goose migration filesystem. Migration files
+// sit at the FS root, so callers pass "." as the directory argument to
+// galaxy/postgres.RunMigrations.
+func Migrations() fs.FS {
+	return migrationFiles
+}