diff --git a/auth/provider/provider.go b/auth/provider/provider.go
index 607e6ded..f9230d27 100644
--- a/auth/provider/provider.go
+++ b/auth/provider/provider.go
@@ -76,7 +76,7 @@ func getKey(config JWTConfig) (interface{}, error) {
 	publicKeyFile := config.PubKeyFile
 	switch {
 	case publicKeyFile != "":
-		kd, err := config.fs.ReadFile(publicKeyFile)
+		kd, err := config.fs.Get(publicKeyFile)
 		if err != nil {
 			return nil, err
 		}
diff --git a/conf/config.go b/conf/config.go
index 885e0cc8..dbe3da49 100644
--- a/conf/config.go
+++ b/conf/config.go
@@ -51,7 +51,7 @@ func NewConfigWithFS(fs core.FS, configFile string) (c *core.Config, err error)
 func readConfig(fs core.FS, configFile string, v interface{}) (err error) {
 	format := filepath.Ext(configFile)
 
-	b, err := fs.ReadFile(configFile)
+	b, err := fs.Get(configFile)
 	if err != nil {
 		return fmt.Errorf("error reading config: %w", err)
 	}
diff --git a/core/core.go b/core/core.go
index 5671ceb8..5145e32b 100644
--- a/core/core.go
+++ b/core/core.go
@@ -86,7 +86,7 @@ func (gj *graphjin) initDiscover() (err error) {
 
 func (gj *graphjin) _initDiscover() (err error) {
 	if gj.prod && gj.conf.EnableSchema {
-		b, err := gj.fs.ReadFile("db.graphql")
+		b, err := gj.fs.Get("db.graphql")
 		if err != nil {
 			return err
 		}
@@ -120,7 +120,7 @@ func (gj *graphjin) _initDiscover() (err error) {
 		if err := writeSchema(gj.dbinfo, &buf); err != nil {
 			return err
 		}
-		err = gj.fs.CreateFile("db.graphql", buf.Bytes())
+		err = gj.fs.Put("db.graphql", buf.Bytes())
 		if err != nil {
 			return
 		}
@@ -178,7 +178,7 @@ func (gj *graphjin) _initSchema() (err error) {
 		if err != nil {
 			return
 		}
-		err = gj.fs.CreateFile("intro.json", []byte(introJSON))
+		err = gj.fs.Put("intro.json", []byte(introJSON))
 		if err != nil {
 			return
 		}
diff --git a/core/internal/allow/allow.go b/core/internal/allow/allow.go
index 070fea36..f83432b0 100644
--- a/core/internal/allow/allow.go
+++ b/core/internal/allow/allow.go
@@ -14,9 +14,8 @@ import (
 )
 
 type FS interface {
-	CreateDir(path string) error
-	CreateFile(path string, data []byte) error
-	ReadFile(path string) (data []byte, err error)
+	Get(path string) (data []byte, err error)
+	Put(path string, data []byte) (err error)
 	Exists(path string) (exists bool, err error)
 }
 
@@ -63,11 +62,6 @@ func New(log *_log.Logger, fs FS, readOnly bool) (al *List, err error) {
 	}
 	al.saveChan = make(chan Item)
 
-	err = fs.CreateDir(filepath.Join(queryPath, fragmentPath))
-	if err != nil {
-		return
-	}
-
 	go func() {
 		for {
 			v, ok := <-al.saveChan
@@ -145,7 +139,7 @@ func (al *List) get(queryPath, name, ext string, useCache bool) (item Item, err
 	jsonFile := filepath.Join(queryPath, (name + ".json"))
 	ok, err := al.fs.Exists(jsonFile)
 	if ok {
-		vars, err = al.fs.ReadFile(jsonFile)
+		vars, err = al.fs.Get(jsonFile)
 	}
 	if err != nil {
 		return
@@ -204,7 +198,7 @@ func (al *List) saveItem(item Item) (err error) {
 		}
 
 		ff := filepath.Join(queryPath, "fragments", (fragFile + ".gql"))
-		err = al.fs.CreateFile(ff, []byte(f.Value))
+		err = al.fs.Put(ff, []byte(f.Value))
 		if err != nil {
 			return
 		}
@@ -215,7 +209,7 @@ func (al *List) saveItem(item Item) (err error) {
 	buf.Write(bytes.TrimSpace(item.Query))
 
 	qf := filepath.Join(queryPath, (queryFile + ".gql"))
-	err = al.fs.CreateFile(qf, bytes.TrimSpace(buf.Bytes()))
+	err = al.fs.Put(qf, bytes.TrimSpace(buf.Bytes()))
 	if err != nil {
 		return
 	}
@@ -227,7 +221,7 @@ func (al *List) saveItem(item Item) (err error) {
 		if err != nil {
 			return
 		}
-		err = al.fs.CreateFile(jf, vars)
+		err = al.fs.Put(jf, vars)
 	}
 	return
 }
diff --git a/core/internal/allow/gql.go b/core/internal/allow/gql.go
index 468d50a1..61dfa978 100644
--- a/core/internal/allow/gql.go
+++ b/core/internal/allow/gql.go
@@ -29,7 +29,7 @@ func readGQL(fs FS, fname string) (gql []byte, err error) {
 }
 
 func parseGQL(fs FS, fname string, r io.Writer) (err error) {
-	b, err := fs.ReadFile(fname)
+	b, err := fs.Get(fname)
 	if err != nil {
 		return err
 	}
diff --git a/core/osfs.go b/core/osfs.go
index 4605cd1c..05125c0e 100644
--- a/core/osfs.go
+++ b/core/osfs.go
@@ -13,16 +13,23 @@ type osFS struct {
 
 func NewFS(basePath string) *osFS { return &osFS{bp: basePath} }
 
-func (f *osFS) CreateDir(path string) error {
-	return os.MkdirAll(filepath.Join(f.bp, path), os.ModePerm)
+func (f *osFS) Get(path string) ([]byte, error) {
+	return os.ReadFile(filepath.Join(f.bp, path))
 }
 
-func (f *osFS) CreateFile(path string, data []byte) error {
-	return os.WriteFile(filepath.Join(f.bp, path), data, os.ModePerm)
-}
+func (f *osFS) Put(path string, data []byte) (err error) {
+	path = filepath.Join(f.bp, path)
 
-func (f *osFS) ReadFile(path string) ([]byte, error) {
-	return os.ReadFile(filepath.Join(f.bp, path))
+	dir := filepath.Dir(path)
+	ok, err := f.Exists(dir)
+	if !ok {
+		err = os.MkdirAll(dir, os.ModePerm)
+	}
+	if err != nil {
+		return
+	}
+
+	return os.WriteFile(path, data, os.ModePerm)
 }
 
 func (f *osFS) Exists(path string) (ok bool, err error) {
diff --git a/core/plugin.go b/core/plugin.go
index 6e008e93..4f34fdbd 100644
--- a/core/plugin.go
+++ b/core/plugin.go
@@ -1,8 +1,7 @@
 package core
 
 type FS interface {
-	CreateDir(path string) error
-	CreateFile(path string, data []byte) error
-	ReadFile(path string) (data []byte, err error)
+	Get(path string) (data []byte, err error)
+	Put(path string, data []byte) error
 	Exists(path string) (exists bool, err error)
 }
diff --git a/plugin/afero/afero.go b/plugin/afero/afero.go
index d273a0f5..c3e979a0 100644
--- a/plugin/afero/afero.go
+++ b/plugin/afero/afero.go
@@ -2,6 +2,7 @@ package afero
 
 import (
 	"os"
+	"path/filepath"
 
 	"github.com/spf13/afero"
 )
@@ -14,16 +15,21 @@ func NewFS(fs afero.Fs, basePath string) *AferoFS {
 	return &AferoFS{fs: afero.NewBasePathFs(fs, basePath)}
 }
 
-func (f *AferoFS) CreateDir(path string) error {
-	return f.fs.MkdirAll(path, os.ModePerm)
+func (f *AferoFS) Get(path string) ([]byte, error) {
+	return afero.ReadFile(f.fs, path)
 }
 
-func (f *AferoFS) CreateFile(path string, data []byte) error {
-	return afero.WriteFile(f.fs, path, data, os.ModePerm)
-}
+func (f *AferoFS) Put(path string, data []byte) (err error) {
+	dir := filepath.Dir(path)
+	ok, err := f.Exists(dir)
+	if !ok {
+		err = f.fs.MkdirAll(dir, os.ModePerm)
+	}
+	if err != nil {
+		return
+	}
 
-func (f *AferoFS) ReadFile(path string) ([]byte, error) {
-	return afero.ReadFile(f.fs, path)
+	return afero.WriteFile(f.fs, path, data, os.ModePerm)
 }
 
 func (f *AferoFS) Exists(path string) (exists bool, err error) {
diff --git a/plugin/osfs/osfs.go b/plugin/osfs/osfs.go
index fddc849a..c357db2e 100644
--- a/plugin/osfs/osfs.go
+++ b/plugin/osfs/osfs.go
@@ -13,16 +13,23 @@ type FS struct {
 
 func NewFS(basePath string) *FS { return &FS{bp: basePath} }
 
-func (f *FS) CreateDir(path string) error {
-	return os.MkdirAll(filepath.Join(f.bp, path), os.ModePerm)
+func (f *FS) Get(path string) ([]byte, error) {
+	return os.ReadFile(filepath.Join(f.bp, path))
 }
 
-func (f *FS) CreateFile(path string, data []byte) error {
-	return os.WriteFile(filepath.Join(f.bp, path), data, os.ModePerm)
-}
+func (f *FS) Put(path string, data []byte) (err error) {
+	path = filepath.Join(f.bp, path)
 
-func (f *FS) ReadFile(path string) ([]byte, error) {
-	return os.ReadFile(filepath.Join(f.bp, path))
+	dir := filepath.Dir(path)
+	ok, err := f.Exists(dir)
+	if !ok {
+		err = os.MkdirAll(dir, os.ModePerm)
+	}
+	if err != nil {
+		return
+	}
+
+	return os.WriteFile(path, data, os.ModePerm)
 }
 
 func (f *FS) Exists(path string) (ok bool, err error) {
diff --git a/serv/db.go b/serv/db.go
index 5c4c74dd..3f892993 100644
--- a/serv/db.go
+++ b/serv/db.go
@@ -117,7 +117,7 @@ func initPostgres(conf *Config, openDB, useTelemetry bool, fs core.FS) (*dbConf,
 		if strings.Contains(c.DB.ServerCert, pemSig) {
 			pem = []byte(strings.ReplaceAll(c.DB.ServerCert, `\n`, "\n"))
 		} else {
-			pem, err = fs.ReadFile(c.DB.ServerCert)
+			pem, err = fs.Get(c.DB.ServerCert)
 		}
 
 		if err != nil {
@@ -177,11 +177,11 @@ func initMysql(conf *Config, openDB, useTelemetry bool, fs core.FS) (*dbConf, er
 func loadX509KeyPair(fs core.FS, certFile, keyFile string) (
 	cert tls.Certificate, err error,
 ) {
-	certPEMBlock, err := fs.ReadFile(certFile)
+	certPEMBlock, err := fs.Get(certFile)
 	if err != nil {
 		return cert, err
 	}
-	keyPEMBlock, err := fs.ReadFile(keyFile)
+	keyPEMBlock, err := fs.Get(keyFile)
 	if err != nil {
 		return cert, err
 	}
diff --git a/tests/core_test.go b/tests/core_test.go
index 61f68890..5f68b896 100644
--- a/tests/core_test.go
+++ b/tests/core_test.go
@@ -27,8 +27,8 @@ func TestReadInConfigWithEnvVars(t *testing.T) {
 	defer os.RemoveAll(dir)
 
 	fs := osfs.NewFS(dir)
-	fs.CreateFile("dev.yml", []byte(devConfig))
-	fs.CreateFile("prod.yml", []byte(prodConfig))
+	fs.Put("dev.yml", []byte(devConfig))
+	fs.Put("prod.yml", []byte(prodConfig))
 
 	c, err := conf.NewConfigWithFS(fs, "dev.yml")
 	assert.NoError(t, err)
@@ -118,11 +118,7 @@ func TestAllowList(t *testing.T) {
 	defer os.RemoveAll(dir)
 
 	fs := osfs.NewFS(dir)
-	if err := fs.CreateDir("queries"); err != nil {
-		t.Error(err)
-		return
-	}
-	err = fs.CreateFile("queries/getProducts.gql", []byte(gql1))
+	err = fs.Put("queries/getProducts.gql", []byte(gql1))
 	if err != nil {
 		t.Error(err)
 		return
diff --git a/tests/insert_test.go b/tests/insert_test.go
index 64b6ff16..d6ceb04b 100644
--- a/tests/insert_test.go
+++ b/tests/insert_test.go
@@ -706,7 +706,6 @@ func TestAllowListWithMutations(t *testing.T) {
 	defer os.RemoveAll(dir)
 
 	fs := osfs.NewFS(dir)
-	err = fs.CreateDir("queries")
 	assert.NoError(t, err)
 
 	conf1 := newConfig(&core.Config{DBType: dbType, DisableAllowList: false})
diff --git a/tests/intro_test.go b/tests/intro_test.go
index f6a6666b..288643c1 100644
--- a/tests/intro_test.go
+++ b/tests/intro_test.go
@@ -55,7 +55,7 @@ func TestIntrospection(t *testing.T) {
 	if err != nil {
 		panic(err)
 	}
-	b, err := fs.ReadFile("intro.json")
+	b, err := fs.Get("intro.json")
 	assert.NoError(t, err)
 	assert.NotEmpty(t, b)
 }
diff --git a/wasm/fs.go b/wasm/fs.go
index b19d95cf..33ce501d 100644
--- a/wasm/fs.go
+++ b/wasm/fs.go
@@ -14,22 +14,24 @@ type JSFS struct {
 	bp string
 }
 
-func NewJSFS(fs js.Value) *JSFS                      { return &JSFS{fs: fs} }
-func NewJSFSWithBase(fs js.Value, path string) *JSFS { return &JSFS{fs: fs, bp: path} }
+func NewJSFS(fs js.Value, path string) *JSFS { return &JSFS{fs: fs, bp: path} }
 
-func (f *JSFS) CreateDir(path string) (err error) {
+func (f *JSFS) Get(path string) (data []byte, err error) {
+	path = filepath.Join(f.bp, path)
 	defer func() {
 		if err1 := recover(); err1 != nil {
 			err = toError(err1)
 		}
 	}()
-	opts := map[string]interface{}{"recursive": true}
-	path = filepath.Join(f.bp, path)
-	f.fs.Call("mkdirSync", path, opts)
-	return nil
+	buf := f.fs.Call("readFileSync", path)
+
+	a := js.Global().Get("Uint8Array").New(buf)
+	data = make([]byte, a.Get("length").Int())
+	js.CopyBytesToGo(data, a)
+	return data, nil
 }
 
-func (f *JSFS) CreateFile(path string, data []byte) (err error) {
+func (f *JSFS) Put(path string, data []byte) (err error) {
 	defer func() {
 		if err1 := recover(); err1 != nil {
 			err = toError(err1)
@@ -37,6 +39,15 @@ func (f *JSFS) CreateFile(path string, data []byte) (err error) {
 	}()
 	path = filepath.Join(f.bp, path)
 
+	dir := filepath.Dir(path)
+	ok, err := f.Exists(dir)
+	if !ok {
+		err = f.createDir(dir)
+	}
+	if err != nil {
+		return
+	}
+
 	a := js.Global().Get("Uint8Array").New(len(data))
 	js.CopyBytesToJS(a, data)
 	runtime.KeepAlive(data)
@@ -49,21 +60,6 @@ func (f *JSFS) CreateFile(path string, data []byte) (err error) {
 	return nil
 }
 
-func (f *JSFS) ReadFile(path string) (data []byte, err error) {
-	path = filepath.Join(f.bp, path)
-	defer func() {
-		if err1 := recover(); err1 != nil {
-			err = toError(err1)
-		}
-	}()
-	buf := f.fs.Call("readFileSync", path)
-
-	a := js.Global().Get("Uint8Array").New(buf)
-	data = make([]byte, a.Get("length").Int())
-	js.CopyBytesToGo(data, a)
-	return data, nil
-}
-
 func (f *JSFS) Exists(path string) (exists bool, err error) {
 	defer func() {
 		if err1 := recover(); err1 != nil {
@@ -79,15 +75,14 @@ func (f *JSFS) Exists(path string) (exists bool, err error) {
 	return
 }
 
-type FileInfo struct {
-	name  string
-	isDir bool
-}
-
-func (fi *FileInfo) Name() string {
-	return fi.name
-}
-
-func (fi *FileInfo) IsDir() bool {
-	return fi.isDir
+func (f *JSFS) createDir(path string) (err error) {
+	defer func() {
+		if err1 := recover(); err1 != nil {
+			err = toError(err1)
+		}
+	}()
+	opts := map[string]interface{}{"recursive": true}
+	path = filepath.Join(f.bp, path)
+	f.fs.Call("mkdirSync", path, opts)
+	return nil
 }
diff --git a/wasm/main.go b/wasm/main.go
index 3a787d93..f121cb81 100644
--- a/wasm/main.go
+++ b/wasm/main.go
@@ -52,7 +52,7 @@ func graphjinFunc() js.Func {
 			return toJSError(err)
 		}
 
-		fs := NewJSFSWithBase(fsv, cpv.String())
+		fs := NewJSFS(fsv, cpv.String())
 
 		confVal := cov.Get("value").String()
 		confValIsFile := cov.Get("isFile").Bool()