Use Node v6.12.2 and Meteor v1.6.0

Dockerfile

@@ -15,8 +15,8 @@ ARG SRC_PATH
 # paxctl fix for alpine linux: https://github.com/wekan/wekan/issues/1303
 ENV BUILD_DEPS="wget curl bzip2 build-essential python git ca-certificates gcc-4.9 paxctl"
 ENV GOSU_VERSION=1.10
-ENV NODE_VERSION ${NODE_VERSION:-v6.12.0}
-ENV METEOR_RELEASE ${METEOR_RELEASE:-1.6}
+ENV NODE_VERSION ${NODE_VERSION:-v6.12.2}
+ENV METEOR_RELEASE ${METEOR_RELEASE:-1.6.0}
 ENV USE_EDGE ${USE_EDGE:-false}
 ENV METEOR_EDGE ${METEOR_EDGE:-1.5-beta.17}
 ENV NPM_VERSION ${NPM_VERSION:-5.6.0}

snapcraft.yaml

@@ -70,7 +70,7 @@ parts:
     wekan:
         source: .
         plugin: nodejs
-        node-engine: 6.12
+        node-engine: 6.12.2
         node-packages:
             - npm@5.6.0
             - node-gyp