diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7810fb7..0e38deb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -13,8 +13,9 @@ before_script:
 
 sandbox:
   script:
+    - npn run build:pdf
     - hugo -F
-    - node themes/devfest-theme-hugo/minify.js
+    - npn run build:minify
     - firebase use default
     - firebase deploy --token "$FIREBASE_SANDBOX_TOKEN"
   artifacts:
@@ -27,8 +28,9 @@ prod:
   variables:
     HUGO_ENV: production
   script:
+    - npn run build:pdf
     - hugo --baseURL https://2019.devfesttoulouse.fr/
-    - node themes/devfest-theme-hugo/minify.js
+    - npn run build:minify
     - firebase use prod
     - firebase deploy --token "$FIREBASE_PROD_TOKEN"
   artifacts:
diff --git a/package.json b/package.json
index 2f7908a..0f0656b 100644
--- a/package.json
+++ b/package.json
@@ -5,16 +5,17 @@
   "author": "Igor Laborie <ilaborie@gmail.com>",
   "license": "Apache-2.0",
   "scripts": {
-    "generate:pdf": "node tools/pdf.js",
     "prebuild": "hugo",
     "build:minify": "node tools/minify.js",
-    "build": "run-p build:*"
+    "build:pdf": "node tools/pdf.js",
+    "build": "run-s build:*"
   },
   "devDependencies": {
     "glob": "^7.1.4",
     "html-minifier": "^4.0.0",
     "npm-run-all": "^4.1.5",
-    "plop-logger": "^2.3.0",
-    "puppeteer": "^1.19.0"
+    "plop-logger": "^2.6.0",
+    "puppeteer": "^1.19.0",
+    "serve-handler": "^6.1.1"
   }
 }
diff --git a/static/schedule/schedule.pdf b/static/schedule/schedule.pdf
index 4954c0d..0fab16d 100644
Binary files a/static/schedule/schedule.pdf and b/static/schedule/schedule.pdf differ
diff --git a/tools/pdf.js b/tools/pdf.js
index 73b5fc4..5f0cc3f 100644
--- a/tools/pdf.js
+++ b/tools/pdf.js
@@ -1,43 +1,96 @@
 const puppeteer = require('puppeteer');
 const {Logger, LogLevel} = require('plop-logger');
 const {colorEmojiConfig} = require('plop-logger/lib/extra/colorEmojiConfig');
+const handler = require('serve-handler');
+const http = require('http');
 
 Logger.config = colorEmojiConfig;
 Logger.config.defaultLevel = LogLevel.Debug;
 const logger = Logger.getLogger('pdf');
 
+// Configuration
+const serverConf = {
+  port: 8765,
+  options: {
+    "public": "./public"
+  }
+};
+const browserConf = {
+  defaultViewport: {width: 1280, height: 1700},
+  margin: {
+    top: "0cm",
+    right: "0cm",
+    bottom: "0cm",
+    left: "0cm"
+  },
+  devtools: false
+};
+
+async function startServer({port, options}) {
+  return new Promise((resolve, reject) => {
+    const server = http.createServer((request, response) =>
+      handler(request, response, options));
+
+    server.listen(port, err => {
+      if (err) {
+        logger.error('Fail to start server', err);
+        reject(err);
+      } else {
+        logger.info('Server started', () => `http://localhost:${port}`);
+        resolve(server);
+      }
+    });
+  });
+}
+
+async function stopServer(server) {
+  return new Promise((resolve, reject) => {
+    logger.info('Stopping server...');
+    server.close(err => {
+      if (err) {
+        logger.error('Fail to stop server', err);
+        reject(err);
+      } else {
+        logger.info('Server stopped');
+        resolve();
+      }
+    });
+  });
+}
+
+async function cleanupBeforePrint(page) {
+  const toHide = [
+    'body > header',
+    'body > footer',
+    'main .hero',
+  ];
+
+  await page.$$eval(toHide.join(','), elts =>
+    elts.forEach(elt =>
+      elt.parentNode.removeChild(elt)));
+
+  await page.addStyleTag({
+    content: '@page { size: auto; }',
+  });
+}
+
 (async () => {
+  const server = await startServer(serverConf);
+
   logger.info("launch puppeteer browser");
-  const defaultViewport = {width: 1280, height: 1700};
-  const devtools = false;
-  const browser = await puppeteer.launch({devtools, defaultViewport});
+  const browser = await puppeteer.launch(browserConf);
   try {
     logger.info("open new page");
     const page = await browser.newPage();
     logger.debug("opened new page");
 
     const file = 'schedule/index.html';
-    const url = `http://localhost:1313/${file}`;
+    const url = `http://localhost:${serverConf.port}/${file}`;
     logger.info("go to", url);
     const pageResponse = await page.goto(url, {waitUntil: 'networkidle2'});
-    logger.debug("gone", pageResponse.statusText());
-
-    const toHide = [
-      'body>header',
-      'body>footer',
-      'main .hero',
-    ];
-    await page.$$eval(toHide.join(','), function (elts) {
-      // debugger;
-      elts.forEach(elt => {
-        elt.parentNode.removeChild(elt);
-        // elt.style.display = 'none';
-      });
-    });
+    logger.debug("done", pageResponse.statusText());
 
-    await page.addStyleTag({
-      content: '@page { size: auto; }',
-    });
+    await cleanupBeforePrint(page);
 
     logger.info('export pdf');
     const path = 'static/schedule/schedule.pdf';
@@ -53,5 +106,6 @@ const logger = Logger.getLogger('pdf');
   } finally {
     logger.info('close puppeteer browser');
     await browser.close();
+    await stopServer(server);
   }
 })();
diff --git a/yarn.lock b/yarn.lock
index 0b2baf3..f6b6dd1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -44,6 +44,11 @@ buffer-from@^1.0.0:
   resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==
 
+bytes@3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
+  integrity sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
+
 camel-case@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/camel-case/-/camel-case-3.0.0.tgz#ca3c3688a4e9cf3a4cda777dc4dcbc713249cf73"
@@ -100,6 +105,11 @@ concat-stream@1.6.2:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+content-disposition@0.5.2:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+  integrity sha1-DPaLud318r55YcOoUXjLhdunjLQ=
+
 core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
@@ -199,6 +209,13 @@ extract-zip@^1.6.6:
     mkdirp "0.5.1"
     yauzl "2.4.1"
 
+fast-url-parser@1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/fast-url-parser/-/fast-url-parser-1.1.3.tgz#f4af3ea9f34d8a271cf58ad2b3759f431f0b318d"
+  integrity sha1-9K8+qfNNiicc9YrSs3WfQx8LMY0=
+  dependencies:
+    punycode "^1.3.2"
+
 fd-slicer@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/fd-slicer/-/fd-slicer-1.0.1.tgz#8b5bcbd9ec327c5041bf9ab023fd6750f1177e65"
@@ -358,12 +375,24 @@ memorystream@^0.3.1:
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
   integrity sha1-htcJCzDORV1j+64S3aUaR93K+bI=
 
+mime-db@~1.33.0:
+  version "1.33.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.33.0.tgz#a3492050a5cb9b63450541e39d9788d2272783db"
+  integrity sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==
+
+mime-types@2.1.18:
+  version "2.1.18"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.18.tgz#6f323f60a83d11146f831ff11fd66e2fe5503bb8"
+  integrity sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==
+  dependencies:
+    mime-db "~1.33.0"
+
 mime@^2.0.3:
   version "2.4.4"
   resolved "https://registry.yarnpkg.com/mime/-/mime-2.4.4.tgz#bd7b91135fc6b01cde3e9bae33d659b63d8857e5"
   integrity sha512-LRxmNwziLPT828z+4YkNzloCFC2YM4wrB99k+AV5ZbEyfGNWfG8SO1FUXLmLDBSo89NrJZ4DIWeLjy1CHGhMGA==
 
-minimatch@^3.0.4:
+minimatch@3.0.4, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -461,6 +490,11 @@ path-is-absolute@^1.0.0:
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
   integrity sha1-F0uSaHNVNP+8es5r9TpanhtcX18=
 
+path-is-inside@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
+  integrity sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=
+
 path-key@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
@@ -471,6 +505,11 @@ path-parse@^1.0.6:
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.6.tgz#d62dbb5679405d72c4737ec58600e9ddcf06d24c"
   integrity sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==
 
+path-to-regexp@2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-2.2.1.tgz#90b617025a16381a879bc82a38d4e8bdeb2bcf45"
+  integrity sha512-gu9bD6Ta5bwGrrU8muHzVOBFFREpp2iRkVfhBJahwJ6p6Xw20SjT0MxLnwkjOibQmGSYhiUnf2FLe7k+jcFmGQ==
+
 path-type@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
@@ -493,10 +532,10 @@ pify@^3.0.0:
   resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
   integrity sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=
 
-plop-logger@^2.3.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/plop-logger/-/plop-logger-2.5.0.tgz#3a80cf4edb98cc6c91a83cc39ba6eff9343308cd"
-  integrity sha512-sudMgIddrxQYw/UpLWjK//CcA4kCCTr87OWTPlf8gLCoBni2vodp5BbhCH6lMXXINUD//5yPmA9jAMwT3tUSCA==
+plop-logger@^2.6.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/plop-logger/-/plop-logger-2.6.0.tgz#34bba0f7bdb0af80f991f1901c380bfa343645a7"
+  integrity sha512-N1KJ/YxJlLK4flh9tjfiDoYLs1vR/Bssr0k8a9BNJAMq1BYnn1dAqQLI2XSKm9Pc35CjfGHazKxdh4AkAWCprQ==
   dependencies:
     ansi-colors "^4.1.1"
     tslib "^1.10.0"
@@ -516,6 +555,11 @@ proxy-from-env@^1.0.0:
   resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.0.0.tgz#33c50398f70ea7eb96d21f7b817630a55791c7ee"
   integrity sha1-M8UDmPcOp+uW0h97gXYwpVeRx+4=
 
+punycode@^1.3.2:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
+  integrity sha1-wNWmOycYgArY4esPpSachN1BhF4=
+
 puppeteer@^1.19.0:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/puppeteer/-/puppeteer-1.19.0.tgz#e3b7b448c2c97933517078d7a2c53687361bebea"
@@ -530,6 +574,11 @@ puppeteer@^1.19.0:
     rimraf "^2.6.1"
     ws "^6.1.0"
 
+range-parser@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/range-parser/-/range-parser-1.2.0.tgz#f49be6b487894ddc40dcc94a322f611092e00d5e"
+  integrity sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
+
 read-pkg@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
@@ -581,6 +630,20 @@ safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
+serve-handler@^6.1.1:
+  version "6.1.1"
+  resolved "https://registry.yarnpkg.com/serve-handler/-/serve-handler-6.1.1.tgz#e4470ba9f4294c970012f5b5428c6582225106f6"
+  integrity sha512-LQPvxGia2TYqyMkHKH4jW9jx6jlQUMcWz6gJavZ3+4vsnB+SaWbYTncb9YsK5YBR6SlvyumREZJAzLw8VaFAUQ==
+  dependencies:
+    bytes "3.0.0"
+    content-disposition "0.5.2"
+    fast-url-parser "1.1.3"
+    mime-types "2.1.18"
+    minimatch "3.0.4"
+    path-is-inside "1.0.2"
+    path-to-regexp "2.2.1"
+    range-parser "1.2.0"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"