feat: use postgres

integration/internal/harness/gatewayservice.go

@@ -0,0 +1,12 @@
+package harness
+
+// GatewayRedisEnv returns the env-var map that wires the gateway binary to a
+// Redis master at masterAddr using the master/replica/password shape required
+// by `pkg/redisconn`. The integration suites pass a fixed placeholder
+// password because the test Redis container runs without `requirepass`.
+func GatewayRedisEnv(masterAddr string) map[string]string {
+	return map[string]string{
+		"GATEWAY_REDIS_MASTER_ADDR": masterAddr,
+		"GATEWAY_REDIS_PASSWORD":    "integration",
+	}
+}