Reduce memory usage at compile time

docker-compose.yml

@@ -7,7 +7,7 @@ services:
     deploy:
       resources:
         limits:
-          memory: 1200M
+          memory: 600M
     working_dir: /go/src/go-json
     command: |
       sh -c "go test -c . && ls go-json.test"

internal/encoder/vm/vm.go

@@ -10,6 +10,12 @@ import (
 
 	"github.com/goccy/go-json/internal/encoder"
 	"github.com/goccy/go-json/internal/runtime"
+
+	// HACK: compile order
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
+	// so forcibly make dependencies and avoid compiling in concurrent.
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
+	_ "github.com/goccy/go-json/internal/encoder/vm_escaped"
 )
 
 const uintptrSize = 4 << (^uintptr(0) >> 63)

internal/encoder/vm_escaped/vm.go

@@ -10,6 +10,12 @@ import (
 
 	"github.com/goccy/go-json/internal/encoder"
 	"github.com/goccy/go-json/internal/runtime"
+
+	// HACK: compile order
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
+	// so forcibly make dependencies and avoid compiling in concurrent.
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
+	_ "github.com/goccy/go-json/internal/encoder/vm_indent"
 )
 
 const uintptrSize = 4 << (^uintptr(0) >> 63)

internal/encoder/vm_indent/vm.go

@@ -11,6 +11,12 @@ import (
 
 	"github.com/goccy/go-json/internal/encoder"
 	"github.com/goccy/go-json/internal/runtime"
+
+	// HACK: compile order
+	// `vm`, `vm_escaped`, `vm_indent`, `vm_escaped_indent` packages uses a lot of memory to compile,
+	// so forcibly make dependencies and avoid compiling in concurrent.
+	// dependency order: vm => vm_escaped => vm_indent => vm_escaped_indent
+	_ "github.com/goccy/go-json/internal/encoder/vm_escaped_indent"
 )
 
 const uintptrSize = 4 << (^uintptr(0) >> 63)