Disable race detection on go docker images, use pure=on when there are no c++ deps (#1215)

beacon-chain/BUILD.bazel

@@ -36,6 +36,7 @@ go_image(
         "@com_github_urfave_cli//:go_default_library",
         "@com_github_x_cray_logrus_prefixed_formatter//:go_default_library",
     ],
+    race = "off",
 )
 
 container_push(

contracts/validator-registration-contract/deployVRC/BUILD.bazel

@@ -46,6 +46,7 @@ go_image(
         "@io_k8s_client_go//kubernetes:go_default_library",
         "@io_k8s_client_go//rest:go_default_library",
     ],
+    race = "off",
 )
 
 container_push(

tools/bootnode/BUILD.bazel

@@ -36,6 +36,8 @@ go_image(
         "@com_github_libp2p_go_libp2p_kad_dht//:go_default_library",
         "@com_github_multiformats_go_multiaddr//:go_default_library",
     ],
+    race = "off",
+    pure = "on",
 )
 
 container_push(

tools/relaynode/BUILD.bazel

@@ -32,6 +32,8 @@ go_image(
         "@com_github_libp2p_go_libp2p_crypto//:go_default_library",
         "@com_github_multiformats_go_multiaddr//:go_default_library",
     ],
+    race = "off",
+    pure = "on",
 )
 
 container_push(

validator/BUILD.bazel

@@ -36,6 +36,7 @@ go_image(
         "@com_github_urfave_cli//:go_default_library",
         "@com_github_x_cray_logrus_prefixed_formatter//:go_default_library",
     ],
+    race = "off",
 )
 
 container_push(