diff --git a/infrastructure/Dockerfile b/infrastructure/Dockerfile
index 8268e14ad2faf..64ff7b5f7b3bc 100644
--- a/infrastructure/Dockerfile
+++ b/infrastructure/Dockerfile
@@ -10,4 +10,4 @@ COPY package.json gatsby/infrastructure/
 COPY yarn.lock gatsby/infrastructure/
 RUN cd gatsby/infrastructure && yarn
 COPY build-site.js gatsby/infrastructure/
-CMD ["node", "gatsby/infrastructure/build-site.js"]
+ENTRYPOINT ["node", "gatsby/infrastructure/build-site.js"]
diff --git a/infrastructure/blue b/infrastructure/blue
deleted file mode 100644
index e69de29bb2d1d..0000000000000
diff --git a/infrastructure/build-site.js b/infrastructure/build-site.js
index f0b6ad14968e1..e22256764f5fa 100644
--- a/infrastructure/build-site.js
+++ b/infrastructure/build-site.js
@@ -1,23 +1,23 @@
-const shell = require("shelljs")
-const { spawn } = require("child_process")
-const path = require("path")
-const GraphQLClient = require("graphql-request").GraphQLClient
+const shell = require(`shelljs`)
+const { spawn } = require(`child_process`)
+const path = require(`path`)
+const GraphQLClient = require(`graphql-request`).GraphQLClient
 const queue = require(`async/queue`)
-const s3 = require("s3")
+const s3 = require(`s3`)
 
-const commitId = process.env.CODEBUILD_SOURCE_VERSION
+const commitId = process.env.COMMIT.slice(0, 7)
 
 const s3Client = s3.createClient({
   s3Options: {
     accessKeyId: process.env.accessKeyId,
     secretAccessKey: process.env.secretAccessKey,
-    region: "us-east-1",
-    endpoint: "s3.us-east-1.amazonaws.com",
+    region: `us-east-1`,
+    endpoint: `s3.us-east-1.amazonaws.com`,
   },
 })
 
 const client = new GraphQLClient(
-  "https://api.graph.cool/simple/v1/cj8xuo77f0a3a0164y7jketkr",
+  `https://api.graph.cool/simple/v1/cj8xuo77f0a3a0164y7jketkr`,
   {
     headers: {
       Authorization: `Bearer ${process.env.GRAPHCOOL_TOKEN}`,
@@ -58,8 +58,8 @@ function createLogLine(logLine, buildId, stderr = false) {
   )
 }
 
-const getCommitObjectByHash = commitId => {
-  return client
+const getCommitObjectByHash = commitId =>
+  client
     .request(
       `
       {
@@ -72,7 +72,6 @@ const getCommitObjectByHash = commitId => {
     `
     )
     .then(result => result.allCommits[0].id)
-}
 
 console.log(process.env)
 
@@ -82,7 +81,7 @@ var q = queue(function({ logLine, buildId, stderr }, callback) {
 
 const Main = async () => {
   if (!process.env.PATH_TO_SITE) {
-    console.log("Missing required environment variable PATH_TO_SITE")
+    console.log(`Missing required environment variable PATH_TO_SITE`)
     process.exit(1)
   }
 
@@ -123,23 +122,23 @@ const Main = async () => {
   child.on(`error`, err => console.log(`err:`, err))
   child.stdout.pipe(process.stdout)
   child.stderr.pipe(process.stderr)
-  child.stdout.on("data", data => {
+  child.stdout.on(`data`, data => {
     // Create new logline
-    q.push({ logLine: data.toString("utf8"), buildId })
+    q.push({ logLine: data.toString(`utf8`), buildId })
   })
-  child.stderr.on("data", data => {
+  child.stderr.on(`data`, data => {
     // Create new logline
-    q.push({ logLine: data.toString("utf8"), buildId, stderr: true })
+    q.push({ logLine: data.toString(`utf8`), buildId, stderr: true })
   })
 
   // On end
-  child.on("exit", (code, signal) => {
+  child.on(`exit`, (code, signal) => {
     console.log(
-      "child process exited with " + `code ${code} and signal ${signal}`
+      `child process exited with ` + `code ${code} and signal ${signal}`
     )
     // Gatsby build failed
     if (code !== 0) {
-      updateBuild(buildId, "FAILURE")
+      updateBuild(buildId, `FAILURE`)
       process.exit(code)
     }
     const publicDir = `${pathToSite}/public`
@@ -158,13 +157,13 @@ const Main = async () => {
     )
     upload.on(`error`, error => {
       console.error(error)
-      updateBuild(buildId, "FAILURE").then(() => {
+      updateBuild(buildId, `FAILURE`).then(() => {
         process.exit(code)
       })
     })
     // 2. Write final status of build and exit.
     upload.on(`end`, () => {
-      updateBuild(buildId, "SUCCESS").then(() => process.exit())
+      updateBuild(buildId, `SUCCESS`).then(() => process.exit())
     })
   })
 }
diff --git a/infrastructure/functions/onGithubWebhook/create-site-build.js b/infrastructure/functions/onGithubWebhook/create-site-build.js
new file mode 100644
index 0000000000000..3e001c6b46553
--- /dev/null
+++ b/infrastructure/functions/onGithubWebhook/create-site-build.js
@@ -0,0 +1,40 @@
+var aws4 = require(`hyper-aws4`)
+var fetch = require(`node-fetch`)
+var Hyper = require(`hyper-api`)
+
+let api = new Hyper({
+  credential: {
+    accessKey: process.env.hyperAccessKey,
+    secretKey: process.env.hyperSecretKey,
+  },
+})
+
+module.exports = ({ pathToSite, commit }) => {
+  const config = {
+    Env: [
+      `PATH_TO_SITE=${pathToSite}`,
+      `GRAPHCOOL_TOKEN=${process.env.GRAPHCOOL_TOKEN}`,
+      `CODEBUILD_SOURCE_VERSION=${commit}`,
+      `COMMIT=${commit}`,
+      `accessKeyId=${process.env.accessKeyId}`,
+      `secretAccessKey=${process.env.secretAccessKey}`,
+    ],
+    Image: `gatsbyjs/gatsby-dev-builds`,
+    Labels: {
+      sh_hyper_instancetype: `m2`,
+    },
+  }
+
+  console.log(`site build job config`, config)
+  return api
+    .post(`/containers/create`, config)
+    .then(c => {
+      console.log(c)
+      return api
+        .post(`/containers/${c.Id}/start`)
+        .then(c => console.log(c))
+        .catch(e => console.log(e))
+      // TODO attach then once it's stopped, delete the job.
+    })
+    .catch(e => console.log(e))
+}
diff --git a/infrastructure/functions/onGithubWebhook/handler.js b/infrastructure/functions/onGithubWebhook/handler.js
index 38d7ca2764441..cf4145c1e2ce6 100644
--- a/infrastructure/functions/onGithubWebhook/handler.js
+++ b/infrastructure/functions/onGithubWebhook/handler.js
@@ -1,20 +1,22 @@
 // handler.js
 
 "use strict"
-const axios = require("axios")
-const Libhoney = require("libhoney").default
-const flatten = require("flat")
-const GraphQLClient = require("graphql-request").GraphQLClient
+const axios = require(`axios`)
+const Libhoney = require(`libhoney`).default
+const flatten = require(`flat`)
+const GraphQLClient = require(`graphql-request`).GraphQLClient
+
+const createSiteBuild = require(`./create-site-build`)
 
 const hny = new Libhoney({
   writeKey: process.env.HONEYCOMB_KEY,
-  dataset: "gatsbyjs-os.lambda.github-webhook",
+  dataset: `gatsbyjs-os.lambda.github-webhook`,
 })
 
 console.log(`env vars`, process.env)
 
 const client = new GraphQLClient(
-  "https://api.graph.cool/simple/v1/cj8xuo77f0a3a0164y7jketkr",
+  `https://api.graph.cool/simple/v1/cj8xuo77f0a3a0164y7jketkr`,
   {
     headers: {
       Authorization: `Bearer ${process.env.GRAPHCOOL_TOKEN}`,
@@ -59,15 +61,39 @@ const createBranchIfDoesNotExist = branch =>
 
 const createCommit = (commit, branchId) => {
   hny.sendNow(Object.assign({ createCommit: true, branchId: branchId }, commit))
-  return client.request(`
+
+  return client
+    .request(
+      `
     mutation {
-      createCommit(authorName: "${commit.author.name}",authorUsername: "${commit
-    .author.username}", authorEmail: "${commit.author
-    .email}", hash: "${commit.tree_id}", message: "${commit.message}", branchIds: ["${branchId}"]) {
+      createCommit(authorName: "${commit.author.name}",authorUsername: "${
+        commit.author.username
+      }", authorEmail: "${commit.author.email}", hash: "${
+        commit.tree_id
+      }", message: "${commit.message}", branchIds: ["${branchId}"]) {
         id
       }
     }
-  `)
+  `
+    )
+    .then(() =>
+      // TODO create build jobs for www, examples/image-processing, examples/using-glamor, examples/using-excel
+      Promise.all([
+        createSiteBuild({ pathToSite: `www`, commit: commit.tree_id }),
+        createSiteBuild({
+          pathToSite: `examples/image-processing`,
+          commit: commit.tree_id,
+        }),
+        createSiteBuild({
+          pathToSite: `examples/using-glamor`,
+          commit: commit.tree_id,
+        }),
+        createSiteBuild({
+          pathToSite: `examples/using-excel`,
+          commit: commit.tree_id,
+        }),
+      ])
+    )
 }
 
 module.exports.event = function(event, context, callback) {
diff --git a/infrastructure/functions/onGithubWebhook/package.json b/infrastructure/functions/onGithubWebhook/package.json
index 26a2dd04a4dde..a4d356c54cd53 100644
--- a/infrastructure/functions/onGithubWebhook/package.json
+++ b/infrastructure/functions/onGithubWebhook/package.json
@@ -12,6 +12,9 @@
     "axios": "^0.17.0",
     "flat": "^4.0.0",
     "graphql-request": "^1.4.0",
-    "libhoney": "^1.0.0-beta.10"
+    "hyper-api": "^1.6.0",
+    "hyper-aws4": "^1.1.3",
+    "libhoney": "^1.0.0-beta.10",
+    "node-fetch": "^1.7.3"
   }
 }
diff --git a/infrastructure/functions/onGithubWebhook/yarn.lock b/infrastructure/functions/onGithubWebhook/yarn.lock
index 86241b9a11626..eb7a92328f133 100644
--- a/infrastructure/functions/onGithubWebhook/yarn.lock
+++ b/infrastructure/functions/onGithubWebhook/yarn.lock
@@ -13,6 +13,10 @@ axios@^0.17.0:
     follow-redirects "^1.2.3"
     is-buffer "^1.1.5"
 
+bluebird@^3.4.6:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
 combined-stream@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
@@ -92,6 +96,20 @@ graphql-request@^1.4.0:
   dependencies:
     cross-fetch "0.0.8"
 
+hyper-api@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/hyper-api/-/hyper-api-1.6.0.tgz#2f0d2ed3c3c7009e127a28a4c991043af2efefc7"
+  dependencies:
+    bluebird "^3.4.6"
+    hyper-aws4 "^1.1.1"
+    node-fetch "^1.6.0"
+
+hyper-aws4@^1.1.1, hyper-aws4@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hyper-aws4/-/hyper-aws4-1.1.3.tgz#c1882e746af5445d065a941df22ed165e332bdd7"
+  dependencies:
+    lodash "^4.13.1"
+
 iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
@@ -119,6 +137,10 @@ libhoney@^1.0.0-beta.10:
     superagent "^2.3.0"
     urljoin "^0.1.5"
 
+lodash@^4.13.1:
+  version "4.17.4"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+
 methods@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -141,7 +163,7 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-node-fetch@1.7.3:
+node-fetch@1.7.3, node-fetch@^1.6.0, node-fetch@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
   dependencies:
diff --git a/infrastructure/package.json b/infrastructure/package.json
index b6ea36a688ca9..c2d125970ba94 100644
--- a/infrastructure/package.json
+++ b/infrastructure/package.json
@@ -10,7 +10,11 @@
   "license": "ISC",
   "dependencies": {
     "async": "^2.6.0",
+    "aws-sdk": "^2.173.0",
     "graphql-request": "^1.4.0",
+    "hyper-api": "^1.6.0",
+    "hyper-aws4": "^1.1.3",
+    "node-fetch": "^1.7.3",
     "s3": "^4.4.0",
     "shelljs": "^0.7.8"
   }
diff --git a/infrastructure/yarn.lock b/infrastructure/yarn.lock
index 928e6ae368cf4..fc28fabe11096 100644
--- a/infrastructure/yarn.lock
+++ b/infrastructure/yarn.lock
@@ -8,6 +8,21 @@ async@^2.6.0:
   dependencies:
     lodash "^4.14.0"
 
+aws-sdk@^2.173.0:
+  version "2.173.0"
+  resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.173.0.tgz#2b29486f16e1d04159d0513aa47f5dd70370116d"
+  dependencies:
+    buffer "4.9.1"
+    crypto-browserify "1.0.9"
+    events "^1.1.1"
+    jmespath "0.15.0"
+    querystring "0.2.0"
+    sax "1.2.1"
+    url "0.10.3"
+    uuid "3.1.0"
+    xml2js "0.4.17"
+    xmlbuilder "4.2.1"
+
 aws-sdk@~2.0.31:
   version "2.0.31"
   resolved "https://registry.yarnpkg.com/aws-sdk/-/aws-sdk-2.0.31.tgz#e72cf1fdc69015bd9fd2bdf3d3b88c16507d268e"
@@ -19,6 +34,14 @@ balanced-match@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
+base64-js@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/base64-js/-/base64-js-1.2.1.tgz#a91947da1f4a516ea38e5b4ec0ec3773675e0886"
+
+bluebird@^3.4.6:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
+
 brace-expansion@^1.1.7:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
@@ -26,6 +49,14 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
+buffer@4.9.1:
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  dependencies:
+    base64-js "^1.0.2"
+    ieee754 "^1.1.4"
+    isarray "^1.0.0"
+
 concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
@@ -37,12 +68,20 @@ cross-fetch@0.0.8:
     node-fetch "1.7.3"
     whatwg-fetch "2.0.3"
 
+crypto-browserify@1.0.9:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-1.0.9.tgz#cc5449685dfb85eb11c9828acc7cb87ab5bbfcc0"
+
 encoding@^0.1.11:
   version "0.1.12"
   resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
   dependencies:
     iconv-lite "~0.4.13"
 
+events@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
+
 fd-slicer@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
@@ -80,10 +119,28 @@ graphql-request@^1.4.0:
   dependencies:
     cross-fetch "0.0.8"
 
+hyper-api@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/hyper-api/-/hyper-api-1.6.0.tgz#2f0d2ed3c3c7009e127a28a4c991043af2efefc7"
+  dependencies:
+    bluebird "^3.4.6"
+    hyper-aws4 "^1.1.1"
+    node-fetch "^1.6.0"
+
+hyper-aws4@^1.1.1, hyper-aws4@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hyper-aws4/-/hyper-aws4-1.1.3.tgz#c1882e746af5445d065a941df22ed165e332bdd7"
+  dependencies:
+    lodash "^4.13.1"
+
 iconv-lite@~0.4.13:
   version "0.4.19"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.19.tgz#f7468f60135f5e5dad3399c0a81be9a1603a082b"
 
+ieee754@^1.1.4:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
+
 inflight@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
@@ -103,7 +160,15 @@ is-stream@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
-lodash@^4.14.0:
+isarray@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+jmespath@0.15.0:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/jmespath/-/jmespath-0.15.0.tgz#a3f222a9aae9f966f5d27c796510e28091764217"
+
+lodash@^4.0.0, lodash@^4.13.1, lodash@^4.14.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -131,7 +196,7 @@ natives@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/natives/-/natives-1.1.0.tgz#e9ff841418a6b2ec7a495e939984f78f163e6e31"
 
-node-fetch@1.7.3:
+node-fetch@1.7.3, node-fetch@^1.6.0, node-fetch@^1.7.3:
   version "1.7.3"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.3.tgz#980f6f72d85211a5347c6b2bc18c5b84c3eb47ef"
   dependencies:
@@ -156,6 +221,14 @@ pend@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/pend/-/pend-1.2.0.tgz#7a57eb550a6783f9115331fcf4663d5c8e007a50"
 
+punycode@1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
+
+querystring@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/querystring/-/querystring-0.2.0.tgz#b209849203bb25df820da756e747005878521620"
+
 rechoir@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
@@ -190,6 +263,14 @@ sax@0.4.2:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/sax/-/sax-0.4.2.tgz#39f3b601733d6bec97105b242a2a40fd6978ac3c"
 
+sax@1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.1.tgz#7b8e656190b228e81a66aea748480d828cd2d37a"
+
+sax@>=0.6.0:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
+
 shelljs@^0.7.8:
   version "0.7.8"
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
@@ -202,6 +283,17 @@ streamsink@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/streamsink/-/streamsink-1.2.0.tgz#efafee9f1e22d3591ed7de3dcaa95c3f5e79f73c"
 
+url@0.10.3:
+  version "0.10.3"
+  resolved "https://registry.yarnpkg.com/url/-/url-0.10.3.tgz#021e4d9c7705f21bbf37d03ceb58767402774c64"
+  dependencies:
+    punycode "1.3.2"
+    querystring "0.2.0"
+
+uuid@3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
+
 whatwg-fetch@2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/whatwg-fetch/-/whatwg-fetch-2.0.3.tgz#9c84ec2dcf68187ff00bc64e1274b442176e1c84"
@@ -216,6 +308,19 @@ xml2js@0.2.6:
   dependencies:
     sax "0.4.2"
 
+xml2js@0.4.17:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/xml2js/-/xml2js-0.4.17.tgz#17be93eaae3f3b779359c795b419705a8817e868"
+  dependencies:
+    sax ">=0.6.0"
+    xmlbuilder "^4.1.0"
+
 xmlbuilder@0.4.2:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-0.4.2.tgz#1776d65f3fdbad470a08d8604cdeb1c4e540ff83"
+
+xmlbuilder@4.2.1, xmlbuilder@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/xmlbuilder/-/xmlbuilder-4.2.1.tgz#aa58a3041a066f90eaa16c2f5389ff19f3f461a5"
+  dependencies:
+    lodash "^4.0.0"