make a single docker image
diff --git a/scripts/images/BUILD b/scripts/images/BUILD
index 9de2aa7..aa307aa 100644
--- a/scripts/images/BUILD
+++ b/scripts/images/BUILD
@@ -6,6 +6,7 @@
     tars = [
         "//scripts/packages:heron-core",
         "//scripts/packages:heron-tools",
+        "//scripts/packages:heron-examples",
     ],
     symlinks = {
         "/usr/local/bin/heron"                   : "/heron/heron-tools/bin/heron",
@@ -13,6 +14,7 @@
         "/usr/local/bin/heron-tracker"           : "/heron/heron-tools/bin/heron-tracker",
         "/usr/local/bin/heron-ui"                : "/heron/heron-tools/bin/heron-ui",
         "/usr/local/bin/heron-apiserver"         : "/heron/heron-tools/bin/heron-apiserver",
+        "/heron/heron-tools/dist/heron-core"     : "/heron/heron-core",
 
         "/heron/heron-tools/lib/metricscachemgr" : "/heron/heron-core/lib/metricscachemgr",
         "/heron/heron-tools/lib/packing"         : "/heron/heron-core/lib/packing", 
diff --git a/tools/bazel.rc b/tools/bazel.rc
index 5a483f5..3d86ce9 100644
--- a/tools/bazel.rc
+++ b/tools/bazel.rc
@@ -64,7 +64,6 @@
 # To use it: bazel build --config=centos_nostyle
 build:centos_nostyle --genrule_strategy=standalone
 build:centos_nostyle --ignore_unsupported_sandboxing
-build:centos_nostyle --java_toolchain=//tools/java:heron_java_toolchain
 build:centos_nostyle --linkopt -lm
 build:centos_nostyle --linkopt -lpthread
 build:centos_nostyle --linkopt -lrt
@@ -76,7 +75,6 @@
 # To use it: bazel build --config=debian_nostyle
 build:debian_nostyle --genrule_strategy=standalone
 build:debian_nostyle --ignore_unsupported_sandboxing
-build:debian_nostyle --java_toolchain=//tools/java:heron_java_toolchain
 build:debian_nostyle --linkopt -lm
 build:debian_nostyle --linkopt -lpthread
 build:debian_nostyle --linkopt -lrt
@@ -88,7 +86,6 @@
 # To use it: bazel build --config=darwin_nostyle
 build:darwin_nostyle --genrule_strategy=standalone
 build:darwin_nostyle --ignore_unsupported_sandboxing
-build:darwin_nostyle --java_toolchain=//tools/java:heron_java_toolchain
 build:darwin_nostyle --python2_path /usr/bin/python2.7
 build:darwin_nostyle --spawn_strategy=standalone
 build:darwin_nostyle --workspace_status_command scripts/release/status.sh
@@ -97,7 +94,6 @@
 # To use it: bazel build --config=ubuntu_nostyle
 build:ubuntu_nostyle --genrule_strategy=standalone
 build:ubuntu_nostyle --ignore_unsupported_sandboxing
-build:ubuntu_nostyle --java_toolchain=//tools/java:heron_java_toolchain
 build:ubuntu_nostyle --linkopt -lm
 build:ubuntu_nostyle --linkopt -lpthread
 build:ubuntu_nostyle --linkopt -lrt