1 files changed, 35 insertions, 0 deletions
diff --git a/internal/appmeta/appmeta.go b/internal/appmeta/appmeta.go
new file mode 100644
index 0000000..61ceb18
--- /dev/null
+++ b/internal/appmeta/appmeta.go
@@ -0,0 +1,35 @@
+// Package appmeta stores the small amount of per-app networking config
+// Skiff itself needs (IP, port, health check) that isn't already implied by
+// jail.conf/rc.conf - a flat file living with the app's own data, not a
+// separate control-plane database.
+package appmeta
+
+import (
+	"encoding/json"
+	"os"
+)
+
+type Meta struct {
+	IP         string `json:"ip"`
+	Port       int    `json:"port"`
+	HealthPath string `json:"health_path"`
+	ServerName string `json:"server_name"`
+}
+
+func Write(path string, m Meta) error {
+	b, err := json.MarshalIndent(m, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, b, 0644)
+}
+
+func Read(path string) (Meta, error) {
+	var m Meta
+	b, err := os.ReadFile(path)
+	if err != nil {
+		return m, err
+	}
+	err = json.Unmarshal(b, &m)
+	return m, err
+}