feat: support tls with context config

pkg/commands/docker.go

@@ -78,11 +78,75 @@ func (c *DockerCommand) NewCommandObject(obj CommandObject) CommandObject {
 // API version negotiation to support older Docker daemons.
 // See https://github.com/jesseduffield/lazydocker/issues/715
 func newDockerClient(dockerHost string) (*client.Client, error) {
-	return client.NewClientWithOpts(
+	opts := []client.Opt{
-		client.WithTLSClientConfigFromEnv(),
 		client.WithAPIVersionNegotiation(),
 		client.WithHost(dockerHost),
+	}
+
+	// Load TLS config from environment variables (for backward compatibility)
+	tlsOpts := []client.Opt{client.WithTLSClientConfigFromEnv()}
+
+	// Also try to load TLS config from the current Docker context
+	contextTLSOpts, err := getContextTLSOptions()
+	if err == nil && contextTLSOpts != nil {
+		// If we have context TLS config, use it instead of env config
+		tlsOpts = contextTLSOpts
+	}
+
+	opts = append(opts, tlsOpts...)
+
+	return client.NewClientWithOpts(opts...)
+}
+
+// getContextTLSOptions loads TLS configuration from the current Docker context
+func getContextTLSOptions() ([]client.Opt, error) {
+	currentContext := os.Getenv("DOCKER_CONTEXT")
+	if currentContext == "" {
+		cf, err := cliconfig.Load(cliconfig.Dir())
+		if err != nil {
+			return nil, err
+		}
+		currentContext = cf.CurrentContext
+	}
+
+	// Skip if no context or using default context
+	if currentContext == "" || currentContext == "default" {
+		return nil, nil
+	}
+
+	storeConfig := ctxstore.NewConfig(
+		func() interface{} { return &ddocker.EndpointMeta{} },
+		ctxstore.EndpointTypeGetter(ddocker.DockerEndpoint, func() interface{} { return &ddocker.EndpointMeta{} }),
 	)
+
+	st := ctxstore.New(cliconfig.ContextStoreDir(), storeConfig)
+
+	// First load the endpoint metadata
+	md, err := st.GetMetadata(currentContext)
+	if err != nil {
+		// Context doesn't exist or can't be read - not an error for our use case
+		return nil, nil
+	}
+
+	dockerEP, ok := md.Endpoints[ddocker.DockerEndpoint]
+	if !ok {
+		return nil, nil // No docker endpoint in this context
+	}
+
+	dockerEPMeta, ok := dockerEP.(ddocker.EndpointMeta)
+	if !ok {
+		return nil, fmt.Errorf("expected docker.EndpointMeta, got %T", dockerEP)
+	}
+
+	// Now load the endpoint with TLS data
+	endpoint, err := ddocker.WithTLSData(st, currentContext, dockerEPMeta)
+	if err != nil {
+		// If we can't load TLS data, that's okay - just return nil
+		return nil, nil
+	}
+
+	// Get client options from the endpoint (includes TLS config)
+	return endpoint.ClientOpts()
 }
 
 // NewDockerCommand it runs docker commands

pkg/commands/docker_test.go

@@ -53,11 +53,38 @@ func TestNewDockerClientVersionNegotiation(t *testing.T) {
 		assert.NoError(t, err)
 		defer cli.Close()
 
-		// Version is NOT locked to the env var value (1.25).
+		// Version should still be negotiable (not locked to env var)
-		// Instead, it uses the library's default version and will negotiate
+		assert.NotEqual(t, "1.25", cli.ClientVersion())
-		// with the server on first request. This is the key difference that
-		// fixes the "version too old" error.
-		assert.NotEqual(t, "1.25", cli.ClientVersion(),
-			"client version should not be locked to DOCKER_API_VERSION env var")
 	})
 }
+
+// TestGetContextTLSOptions tests that TLS options can be loaded from Docker contexts
+func TestGetContextTLSOptions(t *testing.T) {
+	// Save original env vars and restore after test
+	originalContext := os.Getenv("DOCKER_CONTEXT")
+	defer func() {
+		if originalContext == "" {
+			os.Unsetenv("DOCKER_CONTEXT")
+		} else {
+			os.Setenv("DOCKER_CONTEXT", originalContext)
+		}
+	}()
+
+	// Test with no context set (should return nil)
+	os.Unsetenv("DOCKER_CONTEXT")
+	opts, err := getContextTLSOptions()
+	assert.NoError(t, err)
+	assert.Nil(t, opts)
+
+	// Test with default context (should return nil)
+	os.Setenv("DOCKER_CONTEXT", "default")
+	opts, err = getContextTLSOptions()
+	assert.NoError(t, err)
+	assert.Nil(t, opts)
+
+	// Test with non-existent context (should return nil, not error)
+	os.Setenv("DOCKER_CONTEXT", "nonexistent-context")
+	opts, err = getContextTLSOptions()
+	assert.NoError(t, err)
+	assert.Nil(t, opts)
+}