init(web): add loading configuration from file

web/conf/conf.go

@@ -0,0 +1,24 @@
+package conf
+
+import (
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+const CONF_FILE = "/etc/skazanull/web.conf.yml"
+
+type Conf struct {
+	DBConfig      string `yaml:"db_config"`
+	Interface     string `yaml:"interface"`
+	EncryptionKey string `yaml:"encryption_key"`
+}
+
+func GetConf() (conf Conf, err error) {
+	confFile, err := os.ReadFile(CONF_FILE)
+	if err != nil {
+		return
+	}
+	err = yaml.Unmarshal(confFile, &conf)
+	return
+}

web/web.conf.yml.example

@@ -0,0 +1,10 @@
+# Database configuration string
+db_config: postgres://user:password@host:port/db?application_name=SkazaNull%20Web
+
+# The interface on which to run the webserver
+interface: ":9672"
+
+# Encryption key for sessions.
+# Change it to a string of exactly 16, 32 or 64 chars
+# Avoid the "#" character in your APP_KEY, it may break things.
+encryption_key: some_secret_key