Update mapnik + node to http/2 compatible versions.

Author: mlluciano

Dockerfile

@@ -9,12 +9,13 @@ RUN apt-get update; DEBIAN_FRONTEND="noninteractive" TZ="America/New_York" apt-g
 #RUN wget -O /tmp/nodesource_setup.sh https://deb.nodesource.com/setup_6.x; bash /tmp/nodesource_setup.sh
 RUN apt-get install -y nodejs npm
 RUN npm install -g n
-RUN n 8.10.0
+RUN n 10.24.1
 RUN npm install -g yarn
 RUN mkdir -p /var/www; chown www-data:www-data /var/www
 USER www-data
 WORKDIR /var/www
 ADD package.json /var/www/package.json
+RUN npm install mapnik@4.0.0
 RUN npm install
 RUN yarn install; yarn cache clean
 ADD . /var/www

package.json

@@ -13,7 +13,6 @@
     "cors": "^2.5.2",
     "elasticsearch": "^12.0.1",
     "hashids": "^1.0.1",
-    "hiredis": "^0.5.0",
     "kcors": "^2.2.0",
     "koa": "^2.0.0-alpha.7",
     "koa-adapter": "0.0.3",
@@ -23,7 +22,7 @@
     "koa-proxy": "^0.8.0",
     "koa-router": "^7.0.1",
     "lodash": "^4.17.1",
-    "mapnik": "^3.7.1",
+    "mapnik": "4.0.0",
     "morgan": "^1.7.0",
     "ngeohash": "^0.6.0",
     "redis": "^2.6.3",