Upgrade to node10, latest dependencies

use node10 (latest node that has binary built @mapbox/mapbox-gl-native v5.0.2)
use latest canvas and sharp API

Dockerfile

@@ -1,4 +1,4 @@
-FROM node:6.15.1-stretch
+FROM node:10-stretch
 MAINTAINER Petr Sloup <petr.sloup@klokantech.com>
 
 ENV NODE_ENV="production"

Dockerfile_light

@@ -1,4 +1,4 @@
-FROM node:6.15.1-stretch
+FROM node:10-stretch
 MAINTAINER Petr Sloup <petr.sloup@klokantech.com>
 
 ENV NODE_ENV="production"

Dockerfile_test

@@ -2,7 +2,7 @@
 # Simply run "docker build -f Dockerfile_test ."
 # WARNING: sometimes it fails with a core dumped exception
 
-FROM node:6-stretch
+FROM node:10-stretch
 MAINTAINER Petr Sloup <petr.sloup@klokantech.com>
 
 RUN apt-get -qq update \

package.json

@@ -1,6 +1,6 @@
 {
   "name": "tileserver-gl",
-  "version": "2.6.0",
+  "version": "3.0.0",
   "description": "Map tile server for JSON GL styles - vector and server side generated raster tiles",
   "main": "src/main.js",
   "bin": "src/main.js",
@@ -13,36 +13,37 @@
   },
   "license": "BSD-2-Clause",
   "engines": {
-    "node": ">=6 <7"
+    "node": ">=10 <11"
   },
   "scripts": {
-    "test": "mocha test/**.js --timeout 10000"
+    "test": "mocha test/**.js --timeout 10000",
+    "docker": "docker build -f Dockerfile . && docker run --rm -i -p 8080:80 $(docker build -q .)"
   },
   "dependencies": {
-    "@mapbox/mapbox-gl-native": "4.0.0",
+    "@mapbox/mapbox-gl-native": "5.0.2",
-    "@mapbox/mbtiles": "0.10.0",
+    "@mapbox/mbtiles": "0.11.0",
     "@mapbox/sphericalmercator": "1.1.0",
     "@mapbox/vector-tile": "1.3.1",
     "advanced-pool": "0.3.3",
-    "canvas": "1.6.13",
+    "canvas": "2.6.1",
     "clone": "2.1.2",
-    "color": "3.1.0",
+    "color": "3.1.2",
-    "commander": "2.19.0",
+    "commander": "4.0.1",
     "cors": "2.8.5",
-    "express": "4.16.4",
+    "express": "4.17.1",
     "glyph-pbf-composite": "0.0.2",
-    "handlebars": "4.1.2",
+    "handlebars": "4.5.3",
-    "http-shutdown": "^1.2.0",
+    "http-shutdown": "1.2.1",
     "morgan": "1.9.1",
-    "pbf": "3.1.0",
+    "pbf": "3.2.1",
-    "proj4": "2.5.0",
+    "proj4": "2.6.0",
     "request": "2.88.0",
-    "sharp": "0.21.1",
+    "sharp": "0.23.4",
     "tileserver-gl-styles": "1.2.0"
   },
   "devDependencies": {
-    "mocha": "^5.2.0",
+    "mocha": "^6.2.2",
-    "should": "^13.2.0",
+    "should": "^13.2.3",
-    "supertest": "^3.1.0"
+    "supertest": "^4.0.2"
   }
 }

src/serve_rendered.js

@@ -11,8 +11,9 @@ var advancedPool = require('advanced-pool'),
 // see https://github.com/lovell/sharp/issues/371
 var sharp = require('sharp');
 
-var Canvas = require('canvas'),
+const { createCanvas } = require('canvas');
-    clone = require('clone'),
+
+var clone = require('clone'),
     Color = require('color'),
     express = require('express'),
     mercator = new (require('@mapbox/sphericalmercator'))(),
@@ -419,7 +420,7 @@ module.exports = function(options, repo, params, id, publicUrl, dataResolver) {
         params.width *= 2;
         params.height *= 2;
       }
-      
+
       var tileMargin = Math.max(options.tileMargin || 0, 0);
       if (z > 2 && tileMargin > 0) {
         params.width += tileMargin * 2 * scale;
@@ -440,7 +441,7 @@ module.exports = function(options, repo, params, id, publicUrl, dataResolver) {
             channels: 4
           }
         });
-        
+
         if (z > 2 && tileMargin > 0) {
             image.extract({ left: tileMargin * scale, top: tileMargin * scale, width: width * scale, height: height * scale });
         }
@@ -451,10 +452,10 @@ module.exports = function(options, repo, params, id, publicUrl, dataResolver) {
         }
 
         if (opt_overlay) {
-          image.overlayWith(opt_overlay);
+          image.composite([{ input: opt_overlay }]);
         }
         if (watermark) {
-          var canvas = new Canvas(scale * width, scale * height);
+          var canvas = createCanvas(scale * width, scale * height);
           var ctx = canvas.getContext('2d');
           ctx.scale(scale, scale);
           ctx.font = '10px sans-serif';
@@ -464,7 +465,7 @@ module.exports = function(options, repo, params, id, publicUrl, dataResolver) {
           ctx.fillStyle = 'rgba(0,0,0,.4)';
           ctx.fillText(watermark, 5, height - 5);
 
-          image.overlayWith(canvas.toBuffer());
+          image.composite([{ input: canvas.toBuffer() }]);
         }
 
         var formatQuality = (params.formatQuality || {})[format] ||
@@ -561,7 +562,7 @@ module.exports = function(options, repo, params, id, publicUrl, dataResolver) {
       center[1] -= minEdge;
     }
 
-    var canvas = new Canvas(scale * w, scale * h);
+    var canvas = createCanvas(scale * w, scale * h);
     var ctx = canvas.getContext('2d');
     ctx.scale(scale, scale);
     if (bearing) {