#9 Add database to the config

cmd/proxy/config/config.yml

@@ -9,4 +9,10 @@ rules:
     - name: "request payload must contain at least one character and should contain at least one header"
       predicate: "p => LEN(p.payload) > 0 && LEN(p.headers) > 0"
     - name: "payload must be a json"
-      predicate: "p => FORMAT(p.payload) == 'json'"
+      predicate: "p => FORMAT(p.payload) == 'json'"
+
+# For now it will be here but it should be moved to env variables
+database:
+  # Its docker compose based connection string
+  connectionString: "dns:root@tcp(127.0.0.1:3306)/dns"
+

internal/config/yaml.go

@@ -7,8 +7,9 @@ import (
 )
 
 type YamlConfig struct {
-	DNS   []*Dns `yaml:"dns"`
-	Rules Rules  `yaml:"rules"`
+	DNS      []*Dns   `yaml:"dns"`
+	Rules    Rules    `yaml:"rules"`
+	Database Database `yaml:"database"`
 }
 
 type Dns struct {
@@ -27,6 +28,12 @@ type CustomRule struct {
 	Predicate string `yaml:"predicate"`
 }
 
+// Database represents database config.
+// Its temp as it should be moved to environment variables
+type Database struct {
+	ConnectionString string `yaml:"connectionString"`
+}
+
 func NewYamlConfig(yamlBytes []byte) (*YamlConfig, error) {
 	var yamlCfg YamlConfig
 	if err := yaml.Unmarshal(yamlBytes, &yamlCfg); err != nil {