diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d344ba6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+config.json
diff --git a/core/config.go b/core/config.go
new file mode 100644
index 0000000..573111a
--- /dev/null
+++ b/core/config.go
@@ -0,0 +1,25 @@
+package core
+
+import (
+	"encoding/json"
+)
+
+type (
+	Config struct {
+		ChainsConfig string `json:"chains_config_path" attrs:"required" title:"Chains config path"`
+		UnitsConfig  string `json:"units_config_path" attrs:"required" title:"Units config path"`
+		Python       Python `json:"python" title:"Python"`
+	}
+	Python struct {
+		BinPath     string `json:"bin_path" attrs:"required" title:"Python 3 binary path"`
+		WrapperPath string `json:"wrapper_path" attrs:"required" title:"Path to wrapper.py"`
+	}
+)
+
+func ConfigDecoder(b []byte) interface{} {
+	var newConf Config
+	if err := json.Unmarshal(b, &newConf); err != nil {
+		panic(err)
+	}
+	return newConf
+}