diff --git a/package-lock.json b/package-lock.json
index af53c8e2..8b9cfb0f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,8 +8,9 @@
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       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.5.tgz",
       "integrity": "sha1-63d99gEXI6OxTopywIBcjoZ0a9I=",
+      "dev": true,
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-        "mime-types": "2.1.19",
+        "mime-types": "~2.1.18",
         "negotiator": "0.6.1"
       }
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@@ -25,7 +26,7 @@
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       "dev": true,
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-        "acorn": "4.0.13"
+        "acorn": "^4.0.3"
       },
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         "acorn": {
@@ -42,10 +43,10 @@
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       "dev": true,
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-        "fast-json-stable-stringify": "2.0.0",
-        "json-schema-traverse": "0.4.1",
-        "uri-js": "4.2.2"
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
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@@ -60,9 +61,9 @@
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       "dev": true,
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
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@@ -83,8 +84,8 @@
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       "dev": true,
       "requires": {
-        "micromatch": "3.1.10",
-        "normalize-path": "2.1.1"
+        "micromatch": "^3.1.4",
+        "normalize-path": "^2.1.1"
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     "arr-diff": {
@@ -108,7 +109,8 @@
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       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
-      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
+      "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=",
+      "dev": true
     },
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@@ -122,9 +124,9 @@
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       "dev": true,
       "requires": {
-        "bn.js": "4.11.8",
-        "inherits": "2.0.3",
-        "minimalistic-assert": "1.0.1"
+        "bn.js": "^4.0.0",
+        "inherits": "^2.0.1",
+        "minimalistic-assert": "^1.0.0"
       }
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@@ -165,7 +167,7 @@
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       "dev": true,
       "requires": {
-        "lodash": "4.17.10"
+        "lodash": "^4.17.10"
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@@ -186,9 +188,9 @@
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       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
-        "esutils": "2.0.2",
-        "js-tokens": "3.0.2"
+        "chalk": "^1.1.3",
+        "esutils": "^2.0.2",
+        "js-tokens": "^3.0.2"
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@@ -197,25 +199,25 @@
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-        "convert-source-map": "1.5.1",
-        "debug": "2.6.9",
-        "json5": "0.5.1",
-        "lodash": "4.17.10",
-        "minimatch": "3.0.4",
-        "path-is-absolute": "1.0.1",
-        "private": "0.1.8",
-        "slash": "1.0.0",
-        "source-map": "0.5.7"
+        "babel-code-frame": "^6.26.0",
+        "babel-generator": "^6.26.0",
+        "babel-helpers": "^6.24.1",
+        "babel-messages": "^6.23.0",
+        "babel-register": "^6.26.0",
+        "babel-runtime": "^6.26.0",
+        "babel-template": "^6.26.0",
+        "babel-traverse": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0",
+        "convert-source-map": "^1.5.1",
+        "debug": "^2.6.9",
+        "json5": "^0.5.1",
+        "lodash": "^4.17.4",
+        "minimatch": "^3.0.4",
+        "path-is-absolute": "^1.0.1",
+        "private": "^0.1.8",
+        "slash": "^1.0.0",
+        "source-map": "^0.5.7"
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-        "jsesc": "1.3.0",
-        "lodash": "4.17.10",
-        "source-map": "0.5.7",
-        "trim-right": "1.0.1"
+        "babel-messages": "^6.23.0",
+        "babel-runtime": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "detect-indent": "^4.0.0",
+        "jsesc": "^1.3.0",
+        "lodash": "^4.17.4",
+        "source-map": "^0.5.7",
+        "trim-right": "^1.0.1"
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@@ -240,9 +242,9 @@
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       "requires": {
-        "babel-helper-explode-assignable-expression": "6.24.1",
-        "babel-runtime": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-helper-explode-assignable-expression": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-types": "^6.24.1"
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@@ -251,10 +253,10 @@
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-        "babel-runtime": "6.26.0",
-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-helper-hoist-variables": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-traverse": "^6.24.1",
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@@ -263,10 +265,10 @@
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-        "babel-types": "6.26.0",
-        "lodash": "4.17.10"
+        "babel-helper-function-name": "^6.24.1",
+        "babel-runtime": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "lodash": "^4.17.4"
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@@ -275,9 +277,9 @@
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-        "babel-types": "6.26.0"
+        "babel-runtime": "^6.22.0",
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@@ -286,11 +288,11 @@
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-        "babel-template": "6.26.0",
-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-helper-get-function-arity": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-traverse": "^6.24.1",
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@@ -299,8 +301,8 @@
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       "dev": true,
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-        "babel-types": "6.26.0"
+        "babel-runtime": "^6.22.0",
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@@ -309,8 +311,8 @@
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-        "babel-runtime": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-runtime": "^6.22.0",
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@@ -319,8 +321,8 @@
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       "dev": true,
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-        "babel-types": "6.26.0"
+        "babel-runtime": "^6.22.0",
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@@ -329,9 +331,9 @@
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       "dev": true,
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-        "babel-types": "6.26.0",
-        "lodash": "4.17.10"
+        "babel-runtime": "^6.26.0",
+        "babel-types": "^6.26.0",
+        "lodash": "^4.17.4"
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     "babel-helper-remap-async-to-generator": {
@@ -340,11 +342,11 @@
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-        "babel-template": "6.26.0",
-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0"
+        "babel-helper-function-name": "^6.24.1",
+        "babel-runtime": "^6.22.0",
+        "babel-template": "^6.24.1",
+        "babel-traverse": "^6.24.1",
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@@ -353,12 +355,12 @@
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-        "babel-template": "6.26.0",
-        "babel-traverse": "6.26.0",
-        "babel-types": "6.26.0"
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@@ -367,8 +369,8 @@
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-        "babel-template": "6.26.0"
+        "babel-runtime": "^6.22.0",
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@@ -377,9 +379,9 @@
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-        "find-cache-dir": "1.0.0",
-        "loader-utils": "1.1.0",
-        "mkdirp": "0.5.1"
+        "find-cache-dir": "^1.0.0",
+        "loader-utils": "^1.0.2",
+        "mkdirp": "^0.5.1"
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@@ -388,7 +390,7 @@
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       "dev": true,
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@@ -397,7 +399,7 @@
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       "dev": true,
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@@ -436,9 +438,9 @@
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-        "babel-runtime": "6.26.0"
+        "babel-helper-remap-async-to-generator": "^6.24.1",
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@@ -447,10 +449,10 @@
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-        "babel-runtime": "6.26.0",
-        "babel-template": "6.26.0"
+        "babel-helper-function-name": "^6.24.1",
+        "babel-plugin-syntax-class-properties": "^6.8.0",
+        "babel-runtime": "^6.22.0",
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@@ -459,7 +461,7 @@
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       "dev": true,
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@@ -468,7 +470,7 @@
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       "dev": true,
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@@ -477,11 +479,11 @@
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-        "lodash": "4.17.10"
+        "babel-runtime": "^6.26.0",
+        "babel-template": "^6.26.0",
+        "babel-traverse": "^6.26.0",
+        "babel-types": "^6.26.0",
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@@ -490,15 +492,15 @@
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@@ -565,9 +567,9 @@
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-        "babel-runtime": "6.26.0",
-        "babel-template": "6.26.0"
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@@ -576,10 +578,10 @@
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-      "integrity": "sha1-DPaLud318r55YcOoUXjLhdunjLQ="
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+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
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-        "randombytes": "2.0.6"
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+      "integrity": "sha1-WQxhFWsK4vTwJVcyoViyZrxWsh0=",
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+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
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+        "statuses": "~1.4.0",
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+          "integrity": "sha512-zhSCtt8v2NDrRlPQpCNtw/heZLtfUDqxBM1udqikb/Hbk52LK4nQSwr10u77iopCW5LsyHpuXS0GnEc48mLeew==",
+          "dev": true
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@@ -2071,9 +2097,9 @@
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-        "make-dir": "1.3.0",
-        "pkg-dir": "2.0.0"
+        "commondir": "^1.0.1",
+        "make-dir": "^1.0.0",
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@@ -2082,7 +2108,7 @@
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       "dev": true,
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-        "locate-path": "2.0.0"
+        "locate-path": "^2.0.0"
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@@ -2094,7 +2120,8 @@
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-      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ="
+      "integrity": "sha1-mMI9qxF1ZXuMBXPozszZGw/xjIQ=",
+      "dev": true
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@@ -2102,13 +2129,14 @@
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       "dev": true,
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       "resolved": "https://registry.npmjs.org/fresh/-/fresh-0.5.2.tgz",
-      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac="
+      "integrity": "sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=",
+      "dev": true
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@@ -2117,8 +2145,8 @@
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-        "node-pre-gyp": "0.10.0"
+        "nan": "^2.9.2",
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@@ -2144,8 +2172,8 @@
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-            "readable-stream": "2.3.6"
+            "delegates": "^1.0.0",
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@@ -2158,7 +2186,7 @@
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@@ -2222,7 +2250,7 @@
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@@ -2237,14 +2265,14 @@
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-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wide-align": "1.1.2"
+            "aproba": "^1.0.3",
+            "console-control-strings": "^1.0.0",
+            "has-unicode": "^2.0.0",
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+            "signal-exit": "^3.0.0",
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+            "strip-ansi": "^3.0.1",
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@@ -2253,12 +2281,12 @@
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-            "inherits": "2.0.3",
-            "minimatch": "3.0.4",
-            "once": "1.4.0",
-            "path-is-absolute": "1.0.1"
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
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+            "once": "^1.3.0",
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@@ -2273,7 +2301,7 @@
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+            "safer-buffer": "^2.1.0"
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@@ -2282,7 +2310,7 @@
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+            "minimatch": "^3.0.4"
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@@ -2291,8 +2319,8 @@
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-            "wrappy": "1.0.2"
+            "once": "^1.3.0",
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@@ -2311,7 +2339,7 @@
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-            "number-is-nan": "1.0.1"
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@@ -2325,7 +2353,7 @@
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-            "brace-expansion": "1.1.11"
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@@ -2338,8 +2366,8 @@
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-            "yallist": "3.0.2"
+            "safe-buffer": "^5.1.1",
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@@ -2348,7 +2376,7 @@
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@@ -2371,9 +2399,9 @@
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-            "iconv-lite": "0.4.21",
-            "sax": "1.2.4"
+            "debug": "^2.1.2",
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@@ -2382,16 +2410,16 @@
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-            "rc": "1.2.7",
-            "rimraf": "2.6.2",
-            "semver": "5.5.0",
-            "tar": "4.4.1"
+            "detect-libc": "^1.0.2",
+            "mkdirp": "^0.5.1",
+            "needle": "^2.2.0",
+            "nopt": "^4.0.1",
+            "npm-packlist": "^1.1.6",
+            "npmlog": "^4.0.2",
+            "rc": "^1.1.7",
+            "rimraf": "^2.6.1",
+            "semver": "^5.3.0",
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@@ -2400,8 +2428,8 @@
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-            "abbrev": "1.1.1",
-            "osenv": "0.1.5"
+            "abbrev": "1",
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@@ -2416,8 +2444,8 @@
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-            "npm-bundled": "1.0.3"
+            "ignore-walk": "^3.0.1",
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@@ -2426,10 +2454,10 @@
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-            "console-control-strings": "1.1.0",
-            "gauge": "2.7.4",
-            "set-blocking": "2.0.0"
+            "are-we-there-yet": "~1.1.2",
+            "console-control-strings": "~1.1.0",
+            "gauge": "~2.7.3",
+            "set-blocking": "~2.0.0"
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@@ -2448,7 +2476,7 @@
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-            "wrappy": "1.0.2"
+            "wrappy": "1"
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@@ -2469,8 +2497,8 @@
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-            "os-tmpdir": "1.0.2"
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@@ -2491,10 +2519,10 @@
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-            "minimist": "1.2.0",
-            "strip-json-comments": "2.0.1"
+            "deep-extend": "^0.5.1",
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@@ -2511,13 +2539,13 @@
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-            "util-deprecate": "1.0.2"
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@@ -2526,7 +2554,7 @@
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@@ -2569,9 +2597,9 @@
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-            "is-fullwidth-code-point": "1.0.0",
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@@ -2580,7 +2608,7 @@
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@@ -2588,7 +2616,7 @@
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@@ -2603,13 +2631,13 @@
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-            "safe-buffer": "5.1.1",
-            "yallist": "3.0.2"
+            "chownr": "^1.0.1",
+            "fs-minipass": "^1.2.5",
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@@ -2624,7 +2652,7 @@
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+        "is-glob": "^3.1.0",
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@@ -2673,7 +2701,7 @@
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@@ -2696,7 +2724,7 @@
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@@ -2711,9 +2739,9 @@
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-        "has-values": "1.0.0",
-        "isobject": "3.0.1"
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@@ -2722,8 +2750,8 @@
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-        "is-number": "3.0.0",
-        "kind-of": "4.0.0"
+        "is-number": "^3.0.0",
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@@ -2732,7 +2760,7 @@
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@@ -2743,8 +2771,8 @@
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+        "inherits": "^2.0.1",
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-        "minimalistic-assert": "1.0.1"
+        "inherits": "^2.0.3",
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-        "minimalistic-assert": "1.0.1",
-        "minimalistic-crypto-utils": "1.0.1"
+        "hash.js": "^1.0.3",
+        "minimalistic-assert": "^1.0.0",
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@@ -2774,8 +2802,8 @@
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+        "os-homedir": "^1.0.0",
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       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
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+      "dev": true,
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-      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4="
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@@ -2838,7 +2869,7 @@
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       "dev": true,
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+        "loose-envify": "^1.0.0"
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@@ -2850,7 +2881,8 @@
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-      "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4="
+      "integrity": "sha1-6qM9bd16zo9/b+DJygRA5wZzix4=",
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@@ -2858,7 +2890,7 @@
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       "dev": true,
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@@ -2873,7 +2905,7 @@
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       "dev": true,
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+        "binary-extensions": "^1.0.0"
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@@ -2888,7 +2920,7 @@
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       "dev": true,
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@@ -2897,7 +2929,7 @@
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       "dev": true,
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@@ -2906,9 +2938,9 @@
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-        "is-data-descriptor": "0.1.4",
-        "kind-of": "5.1.0"
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       "dev": true,
       "requires": {
-        "source-list-map": "2.0.0",
-        "source-map": "0.6.1"
+        "source-list-map": "^2.0.0",
+        "source-map": "~0.6.1"
       },
       "dependencies": {
         "source-map": {
@@ -4858,7 +4917,7 @@
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
-        "isexe": "2.0.0"
+        "isexe": "^2.0.0"
       }
     },
     "which-module": {
@@ -4885,8 +4944,8 @@
       "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
       "dev": true,
       "requires": {
-        "string-width": "1.0.2",
-        "strip-ansi": "3.0.1"
+        "string-width": "^1.0.1",
+        "strip-ansi": "^3.0.1"
       },
       "dependencies": {
         "string-width": {
@@ -4895,9 +4954,9 @@
           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
           "requires": {
-            "code-point-at": "1.1.0",
-            "is-fullwidth-code-point": "1.0.0",
-            "strip-ansi": "3.0.1"
+            "code-point-at": "^1.0.0",
+            "is-fullwidth-code-point": "^1.0.0",
+            "strip-ansi": "^3.0.0"
           }
         }
       }
@@ -4926,19 +4985,19 @@
       "integrity": "sha1-YpmpBVsc78lp/355wdkY3Osiw2A=",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0",
-        "cliui": "3.2.0",
-        "decamelize": "1.2.0",
-        "get-caller-file": "1.0.3",
-        "os-locale": "2.1.0",
-        "read-pkg-up": "2.0.0",
-        "require-directory": "2.1.1",
-        "require-main-filename": "1.0.1",
-        "set-blocking": "2.0.0",
-        "string-width": "2.1.1",
-        "which-module": "2.0.0",
-        "y18n": "3.2.1",
-        "yargs-parser": "7.0.0"
+        "camelcase": "^4.1.0",
+        "cliui": "^3.2.0",
+        "decamelize": "^1.1.1",
+        "get-caller-file": "^1.0.1",
+        "os-locale": "^2.0.0",
+        "read-pkg-up": "^2.0.0",
+        "require-directory": "^2.1.1",
+        "require-main-filename": "^1.0.1",
+        "set-blocking": "^2.0.0",
+        "string-width": "^2.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^3.2.1",
+        "yargs-parser": "^7.0.0"
       },
       "dependencies": {
         "camelcase": {
@@ -4953,9 +5012,9 @@
           "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
           "dev": true,
           "requires": {
-            "string-width": "1.0.2",
-            "strip-ansi": "3.0.1",
-            "wrap-ansi": "2.1.0"
+            "string-width": "^1.0.1",
+            "strip-ansi": "^3.0.1",
+            "wrap-ansi": "^2.0.0"
           },
           "dependencies": {
             "string-width": {
@@ -4964,9 +5023,9 @@
               "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
               "dev": true,
               "requires": {
-                "code-point-at": "1.1.0",
-                "is-fullwidth-code-point": "1.0.0",
-                "strip-ansi": "3.0.1"
+                "code-point-at": "^1.0.0",
+                "is-fullwidth-code-point": "^1.0.0",
+                "strip-ansi": "^3.0.0"
               }
             }
           }
@@ -4979,7 +5038,7 @@
       "integrity": "sha1-jQrELxbqVd69MyyvTEA4s+P139k=",
       "dev": true,
       "requires": {
-        "camelcase": "4.1.0"
+        "camelcase": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/package.json b/package.json
index 601ae535..f8b8a20c 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "Example of how to deploy a Express.js Netlify app.",
   "main": "functions/server.js",
   "scripts": {
-    "build": "netlify-lambda build express",
+    "build": "netlify-lambda build express -c ./webpack.config.js",
     "start": "node server-local.js"
   },
   "repository": {
diff --git a/webpack.config.js b/webpack.config.js
new file mode 100644
index 00000000..c4ca3ee9
--- /dev/null
+++ b/webpack.config.js
@@ -0,0 +1,4 @@
+module.exports = {
+  target: 'node',
+  externals: ['express'],
+}