smarter port selection

src/go-proxy/constants.go

@@ -42,6 +42,14 @@ var (
 	}()
 )
 
+var wellKnownHTTPPorts = map[uint16]bool{
+	80:   true,
+	8000: true,
+	8008: true, // alternative HTTP port
+	8080: true,
+	3000: true, // adguardhome, gogs, etc
+}
+
 var (
 	StreamSchemes = []string{StreamType_TCP, StreamType_UDP} // TODO: support "tcp:udp", "udp:tcp"
 	HTTPSchemes   = []string{"http", "https"}
@@ -92,6 +100,7 @@ var (
 				Timeout:   5 * time.Second,
 				KeepAlive: 5 * time.Second,
 			}).DialContext,
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
 		},
 	}
 )

src/go-proxy/docker_provider.go

@@ -201,6 +201,11 @@ func selectPort(c *types.Container) uint16 {
 }
 
 func selectPortInternal(c *types.Container, getPort func(types.Port) uint16) uint16 {
+	for _, p := range c.Ports {
+		if isWellKnownHTTPPort(p.PrivatePort) {
+			return getPort(p)
+		}
+	}
 	for _, p := range c.Ports {
 		if port := getPort(p); port != 0 {
 			return port
@@ -208,3 +213,8 @@ func selectPortInternal(c *types.Container, getPort func(types.Port) uint16) uin
 	}
 	return 0
 }
+
+func isWellKnownHTTPPort(port uint16) bool {
+	_, ok := wellKnownHTTPPorts[port]
+	return ok
+}