Update node to v8.12.0 prerelease build.

Dockerfile

@@ -15,7 +15,7 @@ ARG SRC_PATH
 # DOES NOT WORK: paxctl fix for alpine linux: https://github.com/wekan/wekan/issues/1303
 # ENV BUILD_DEPS="paxctl"
 ENV BUILD_DEPS="apt-utils gnupg gosu wget curl bzip2 build-essential python git ca-certificates gcc-7"
-ENV NODE_VERSION ${NODE_VERSION:-v8.11.3}
+ENV NODE_VERSION ${NODE_VERSION:-v8.12.0}
 ENV METEOR_RELEASE ${METEOR_RELEASE:-1.6.0.1}
 ENV USE_EDGE ${USE_EDGE:-false}
 ENV METEOR_EDGE ${METEOR_EDGE:-1.5-beta.17}
@@ -45,10 +45,10 @@ RUN \
     # Also see beginning of wekan/server/authentication.js
     #   import Fiber from "fibers";
     #   Fiber.poolSize = 1e9;
-    # Download node version 8.11.1 that has fix included, node binary copied from Sandstorm
+    # Download node version 8.12.0 prerelease that has fix included,
     # Description at https://releases.wekan.team/node.txt
     wget https://releases.wekan.team/node-${NODE_VERSION}-${ARCHITECTURE}.tar.gz && \
-    echo "40e7990489c13a1ed1173d8fe03af258c6ed964b92a4bd59a0927ac5931054aa  node-v8.11.3-linux-x64.tar.gz" >> SHASUMS256.txt.asc && \
+    echo "1ed54adb8497ad8967075a0b5d03dd5d0a502be43d4a4d84e5af489c613d7795  node-v8.12.0-linux-x64.tar.gz" >> SHASUMS256.txt.asc && \
     \
     # Verify nodejs authenticity
     grep ${NODE_VERSION}-${ARCHITECTURE}.tar.gz SHASUMS256.txt.asc | shasum -a 256 -c - && \

snapcraft.yaml

@@ -108,9 +108,9 @@ parts:
             # Also see beginning of wekan/server/authentication.js
             #   import Fiber from "fibers";
             #   Fiber.poolSize = 1e9;
-            # Download node version 8.11.3 that has fix included, node binary copied from Sandstorm
+            # Download node version 8.12.0 prerelease build,
             # Description at https://releases.wekan.team/node.txt
-            echo "5263dc1c571885921179b11a1c6eb9ca82a95a89b69c15b366f885e9b5a32d66  node" >> node-SHASUMS256.txt.asc
+            echo "375bd8db50b9c692c0bbba6e96d4114cd29bee3770f901c1ff2249d1038f1348  node" >> node-SHASUMS256.txt.asc
             curl https://releases.wekan.team/node -o node
             # Verify Fibers patched node authenticity
             echo "Fibers 100% CPU issue patched node authenticity:"