Several fixes and features

- Commit database transactions
- Listen to all interfaces by default
- Use logger in collerd
- Add docker-compose file with PostgreSQL

Signed-off-by: Julien Riou <julien@riou.xyz>

src/server/config.go

@@ -33,7 +33,7 @@ func NewConfig() *Config {
 		IDLength:           5,
 		PasswordLength:     16,
 		ExpirationInterval: 60, // 1 minute
-		ListenAddress:      "127.0.0.1",
+		ListenAddress:      "0.0.0.0",
 		ListenPort:         8080,
 		Expirations: []int{
 			300,      // 5 minutes