Prototype with single host server and no admin panel (#2)

Reviewed-on: wrenn/sandbox#2
Co-authored-by: pptx704 <rafeed@omukk.dev>
Co-committed-by: pptx704 <rafeed@omukk.dev>

envd/internal/utils/atomic.go

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: Apache-2.0
+
+package utils
+
+import (
+	"sync"
+)
+
+type AtomicMax struct {
+	val int64
+	mu  sync.Mutex
+}
+
+func NewAtomicMax() *AtomicMax {
+	return &AtomicMax{}
+}
+
+func (a *AtomicMax) SetToGreater(newValue int64) bool {
+	a.mu.Lock()
+	defer a.mu.Unlock()
+
+	if a.val > newValue {
+		return false
+	}
+
+	a.val = newValue
+
+	return true
+}