update Dockerfile and other variables to apache-geode 1.12.2
diff --git a/.lgtm.yml b/.lgtm.yml
index c99a5cf..087eac8 100644
--- a/.lgtm.yml
+++ b/.lgtm.yml
@@ -2,7 +2,7 @@
   cpp:
     configure:
       command:
-        - GEODE_VERSION=1.12.1
+        - GEODE_VERSION=1.12.2
         - mkdir _lgtm_build_dir
         - cd _lgtm_build_dir
         - wget -O apache-geode.tgz https://downloads.apache.org/geode/${GEODE_VERSION}/apache-geode-${GEODE_VERSION}.tgz
diff --git a/.travis.yml b/.travis.yml
index b19c234..655e3ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@
 env:
   global:
     - DOCKER_ARGS="--rm --volume=${TRAVIS_BUILD_DIR}:/geode-native"
-    - DOCKER_IMAGE="apachegeode/geode-native-build:1.12.1"
+    - DOCKER_IMAGE="apachegeode/geode-native-build:1.12.2"
     - SOURCE_DIR="/geode-native"
 
   matrix:
diff --git a/docker/Dockerfile b/docker/Dockerfile
index fc761a1..12453a9 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -46,7 +46,7 @@
         update-alternatives --install /usr/bin/clang-tidy    clang-tidy    /usr/bin/clang-tidy-${CLANG_VERSION} 999 && \
         update-alternatives --install /usr/bin/clang-format  clang-format  /usr/bin/clang-format-${CLANG_VERSION} 999
 
-ENV GEODE_VERSION 1.12.1
+ENV GEODE_VERSION 1.12.2
 RUN wget "https://downloads.apache.org/geode/${GEODE_VERSION}/apache-geode-${GEODE_VERSION}.tgz" --quiet -O - | \
         tar xzf -