diff --git a/index.html b/index.html
old mode 100755
new mode 100644
diff --git a/package.json b/package.json
index 7f9cd94..454d5ab 100755
--- a/package.json
+++ b/package.json
@@ -9,13 +9,13 @@
     "author": "salomonelli",
     "homepage": "https://github.com/salomonelli/best-resume-ever",
     "scripts": {
-        "server": "node --harmony-async-await src/server.js",
-        "less": "node --harmony-async-await src/compileLess.js",
-        "babel": "babel --presets es2015 src/javascript.js -o public/javascript.js",
-        "readme": "node --harmony-async-await src/renderReadMe.js",
+        "server": "node --harmony-async-await src/app.js",
+        "less": "node --harmony-async-await src/less.js",
+        "babel": "babel --presets es2015 src/public/javascript.js -o public/javascript.js",
+        "readme": "node --harmony-async-await src/RenderReadMe.js",
         "start": "npm run babel && npm run less && npm run server",
         "dev": "watch 'npm start' src/ resumes/ less/",
-        "pdf": "npm run babel && npm run less && node --harmony-async-await src/htmlToPdf.js"
+        "pdf": "npm run babel && npm run less && node --harmony-async-await src/ResumeToPdf.js"
     },
     "dependencies": {
         "@typopro/web-montserrat": "3.4.9",
diff --git a/pdf/resume-grey-boxes.pdf b/pdf/resume-grey-boxes.pdf
old mode 100755
new mode 100644
index df00365..9295c82
Binary files a/pdf/resume-grey-boxes.pdf and b/pdf/resume-grey-boxes.pdf differ
diff --git a/pdf/resume-left-right.pdf b/pdf/resume-left-right.pdf
old mode 100755
new mode 100644
index 0b8e3ec..aa8f27a
Binary files a/pdf/resume-left-right.pdf and b/pdf/resume-left-right.pdf differ
diff --git a/pdf/resume-oblique.pdf b/pdf/resume-oblique.pdf
old mode 100755
new mode 100644
index f82e8dc..4d3221c
Binary files a/pdf/resume-oblique.pdf and b/pdf/resume-oblique.pdf differ
diff --git a/pdf/resume-side-bar.pdf b/pdf/resume-side-bar.pdf
old mode 100755
new mode 100644
index 593fd75..77c10b4
Binary files a/pdf/resume-side-bar.pdf and b/pdf/resume-side-bar.pdf differ
diff --git a/pdf/resume-spotify.pdf b/pdf/resume-spotify.pdf
old mode 100755
new mode 100644
index 42f5deb..29c3132
Binary files a/pdf/resume-spotify.pdf and b/pdf/resume-spotify.pdf differ
diff --git a/pdf/resume-wanted.pdf b/pdf/resume-wanted.pdf
old mode 100755
new mode 100644
index 46e13a5..b3e601f
Binary files a/pdf/resume-wanted.pdf and b/pdf/resume-wanted.pdf differ
diff --git a/public/javascript.js b/public/javascript.js
old mode 100755
new mode 100644
index bba7382..52a0fb0
--- a/public/javascript.js
+++ b/public/javascript.js
@@ -56,7 +56,7 @@ var removeBoxShadowOfElement = function removeBoxShadowOfElement(element) {
 /**
  * gets border radius of element
  * @param  {HTMLElement} element
- * @return {String}         e.g. '50%'
+ * @return {string}         e.g. '50%'
  */
 var getBorderRadiusOfElement = function getBorderRadiusOfElement(element) {
     return window.getComputedStyle(element, null).getPropertyValue('border-radius');
@@ -123,10 +123,17 @@ var fixBoxShadows = function fixBoxShadows() {
     }
 };
 
+/**
+ * checks if the page contains a resume
+ * @return {Boolean} true if page contains resume
+ */
 var isResume = function isResume() {
     if (document.getElementsByTagName('page')[0]) return true;else return false;
 };
 
+/**
+ * fixes resume
+ */
 var fixResume = function fixResume() {
     if (!isResume()) return;
     getAllDOMElements();
diff --git a/public/style.min.css b/public/style.min.css
old mode 100755
new mode 100644
diff --git a/src/Config.js b/src/Config.js
new file mode 100644
index 0000000..60c5930
--- /dev/null
+++ b/src/Config.js
@@ -0,0 +1,5 @@
+const Config = {
+    port: 3000
+};
+
+module.exports = Config;
diff --git a/src/RenderReadMe.js b/src/RenderReadMe.js
new file mode 100755
index 0000000..a77b529
--- /dev/null
+++ b/src/RenderReadMe.js
@@ -0,0 +1,27 @@
+const showdown = require('showdown');
+const converter = new showdown.Converter();
+const fs = require('fs');
+const path = require('path');
+const Mustache = require('mustache');
+const writeFile = require('write');
+const Util = require('./Util');
+
+/**
+ * renders readme to html for github Pages
+ * @return {Promise} 
+ */
+RenderReadMe = async function() {
+    let dir = path.join(__dirname, '../' + 'README.md');
+    const readmeContent = await Util.readFileContent(dir);
+    const readmeHTML = converter.makeHtml(readmeContent);
+    dir = path.join(__dirname, '../' + 'resumes/views/githubPages.mustache');
+    const githubPagesTemplate = await Util.readFileContent(dir);
+    const readme = Mustache.render(githubPagesTemplate, {
+        content: readmeHTML
+    });
+    await Util.writeFile('index.html', readme);
+}
+
+RenderReadMe();
+
+module.exports = RenderReadMe;
diff --git a/src/ResumeToPdf.js b/src/ResumeToPdf.js
new file mode 100755
index 0000000..f98fe41
--- /dev/null
+++ b/src/ResumeToPdf.js
@@ -0,0 +1,35 @@
+const pdf = require('html-pdf');
+const path = require('path');
+const Config = require('./Config');
+const Util = require('./Util');
+const Server = require('./Server');
+
+
+const ResumeToPdf = {
+    /**
+     * generates electroshot command for screenshoting resume
+     * @param  {string} resume resume name in URL
+     * @return {string}        electroshot command
+     */
+    electroshotScript: function(resume) {
+        const dir = path.join(__dirname, '../pdf');
+        return 'electroshot localhost:3000/' + resume +
+            ' 2481x3508 --pdf-margin none --format pdf --out ' + dir +
+            ' --filename "' + resume + '.pdf" --pdf-background; ';
+    },
+    /**
+     * converts resumes to pdf
+     * @return {Promise}
+     */
+    convert: async function() {
+        Server.run();
+        const directories = Util.getResumesFromDirectories();
+        let script = '';
+        directories.forEach(async(resume) => script += ResumeToPdf.electroshotScript(resume.path));
+        script = script.substring(0, script.length - 2);
+        await Util.execBash(script);
+        await Server.kill();
+    }
+}
+
+ResumeToPdf.convert();
diff --git a/src/Server.js b/src/Server.js
new file mode 100755
index 0000000..0e1631b
--- /dev/null
+++ b/src/Server.js
@@ -0,0 +1,83 @@
+const path = require('path');
+const fs = require('fs');
+const express = require('express');
+const mustacheExpress = require('mustache-express');
+const request = require('request-promise');
+const Config = require('./Config');
+const Util = require('./Util');
+const person = require('./person.js');
+
+let app, resumes;
+const Server = {
+    /**
+     * sets configurations of express app
+     */
+    setup: function() {
+        if (!app) app = express();
+        app.set('views', path.join(__dirname, '../resumes'));
+        app.engine('mustache', require('hogan-express'));
+        app.set('view engine', 'mustache');
+        app.use(express.static(path.join(__dirname, '../public')));
+        app.use(express.static(path.join(__dirname, '../node_modules')));
+    },
+    /**
+     * starts up express app
+     */
+    start: function() {
+        app.listen(Config.port, '0.0.0.0', () => console.log('Listening on localhost:' + Config.port + '!'));
+    },
+    /**
+     * kills express app
+     */
+    kill: function() {
+        request.get('http://localhost:' + Config.port + '/kill')
+            .catch(error => {});
+    },
+    /**
+     * sets route of express app
+     * @param {string} path     e.g. '/' or '/resumes'
+     * @param {string} template e.g. 'views/resumeX/index'
+     */
+    setRoute: function(path, template) {
+        app.get(path, (req, res) => {
+            res.render('views/layout', {
+                partials: {
+                    content: template
+                },
+                resumes: resumes,
+                person: person
+            });
+        });
+    },
+    /**
+     * sets route to kill app
+     */
+    setKillRoute: function() {
+        app.get('/kill', () => process.exit());
+    },
+    /**
+     * sets routes for each resume
+     */
+    setRoutesForResumes: function() {
+        const directories = Util.getDirectories();
+        for (let resume of directories) {
+            Server.setRoute('/' + resume, resume + '/index');
+        }
+    },
+    /**
+     * run server
+     * @return {Promise} resolves when server is running
+     */
+    run: async function() {
+        resumes = Util.getResumesFromDirectories();
+        Server.setup();
+        Server.setRoute('/', 'views/index');
+        Server.setRoutesForResumes();
+        Server.setKillRoute();
+        Server.kill();
+        await Util.setTimeout(500);
+        Server.start();
+    }
+}
+
+module.exports = Server;
diff --git a/src/StyleCompiler.js b/src/StyleCompiler.js
new file mode 100755
index 0000000..12e284f
--- /dev/null
+++ b/src/StyleCompiler.js
@@ -0,0 +1,65 @@
+const less = require('less');
+const path = require('path');
+const fs = require('fs');
+const CleanCSS = require('clean-css');
+const writeFile = require('write');
+const Util = require('./Util');
+
+const StyleCompiler = {
+    /**
+     * compiles less string to css string
+     * @param  {string} lessContent
+     * @return {string}             css
+     */
+    compile: function(lessContent) {
+        let lessDir = path.join(__dirname, '../less');
+        return new Promise((res, rej) => {
+            less.render(lessContent, {
+                paths: [lessDir, lessDir + '/fonts'],
+            }, (e, output) => {
+                if (e) rej(e);
+                else res(output.css);
+            });
+        });
+    },
+    /**
+     * minifies css
+     * @param  {string} css
+     * @return {string}     minified css
+     */
+    minify: function(css) {
+        return new Promise((res, rej) => {
+            new CleanCSS().minify(css, (err, output) => {
+                if (err) rej(err);
+                else res(output)
+            });
+        });
+    },
+    /**
+     * compiles less files to minified css file
+     * @return {Promise} 
+     */
+    run: async function() {
+        const directories = Util.getResumesFromDirectories();
+        const styleLess = await Util.readFileContent(path.join(__dirname, '../less/style.less'));
+        let css = await StyleCompiler.compile(styleLess);
+        const contents = await Promise.all(
+            directories
+            .map(resume => Util.readFileContent(
+                path.join(__dirname, '../resumes/' + resume.path + '/style.less')
+            ))
+        );
+        const compiledContents = await Promise.all(
+            contents
+            .map(content => StyleCompiler.compile(content))
+        );
+        const ret = compiledContents.reduce((pre, cur) => pre += cur, css);
+        // minify
+        const minCSS = await StyleCompiler.minify(ret);
+        // write file
+        const p = path.join(__dirname, '../public/style.min.css');
+        await Util.writeFile(p, minCSS.styles);
+    }
+}
+
+module.exports = StyleCompiler;
diff --git a/src/Util.js b/src/Util.js
new file mode 100644
index 0000000..142113e
--- /dev/null
+++ b/src/Util.js
@@ -0,0 +1,86 @@
+const path = require('path');
+const request = require('request-promise');
+const writeFile = require('write');
+const fs = require('fs');
+const Config = require('./Util');
+var exec = require('child_process').exec;
+
+const Util = {
+    /**
+     * gets directories starting with 'resume-'
+     * @return {[]} 
+     */
+    getDirectories: function() {
+        const srcpath = path.join(__dirname, '../resumes');
+        return fs.readdirSync(srcpath)
+            .filter(file => file.includes('resume-'))
+    },
+    /**
+     * gets resumes names and paths from directories
+     * @return {Object[]} array with resumes object {path: '', name: ''}
+     */
+    getResumesFromDirectories: function() {
+        const directories = Util.getDirectories();
+        let resumes = [];
+        directories.forEach(dir => {
+            let name = dir.replace('resume-', '');
+            resumes.push({
+                path: dir,
+                name: name.replace('-', ' ')
+            })
+        });
+        return resumes;
+    },
+    /**
+     * setTimeout as Promise
+     * @param {number} time time in ms
+     * @return {Promise}
+     */
+    setTimeout: function(time) {
+        return new Promise(res => setTimeout(res, time));
+    },
+    /**
+     * reads file of content
+     * @param  {string} dir directory
+     * @return {Promise}
+     */
+    readFileContent: function(dir) {
+        return new Promise((res, rej) => {
+            fs.readFile(dir, 'utf8', (err, template) => {
+                if (err) rej(err);
+                else res(template);
+            });
+        });
+    },
+    /**
+     * writes content to given file
+     * @param  {string} dir     directory
+     * @param  {string} content content of file
+     * @return {Promise}
+     */
+    writeFile: function(dir, content) {
+        return new Promise((res, rej) => {
+            writeFile(dir, content, err => {
+                if (err) rej(err);
+                res();
+            });
+        });
+
+    },
+    /**
+     * executes command
+     * @param  {string} script e.g. 'echo "Hello World"'
+     * @return {Promise}
+     */
+    execBash: function(script) {
+        return new Promise((res, rej) => {
+            exec(script,
+                (error, stdout, stderr) => {
+                    if (error) rej(err);
+                    else res();
+                });
+        });
+    }
+}
+
+module.exports = Util;
diff --git a/src/app.js b/src/app.js
new file mode 100644
index 0000000..cd50f5f
--- /dev/null
+++ b/src/app.js
@@ -0,0 +1,2 @@
+const Server = require('./Server');
+Server.run();
diff --git a/src/compileLess.js b/src/compileLess.js
deleted file mode 100755
index d03d54f..0000000
--- a/src/compileLess.js
+++ /dev/null
@@ -1,70 +0,0 @@
-const less = require('less');
-const path = require('path');
-const fs = require('fs');
-const CleanCSS = require('clean-css');
-const writeFile = require('write');
-
-const dir = path.join(__dirname, '../resumes');
-const directories = getDirectories(dir);
-
-function getDirectories(srcpath) {
-    return fs.readdirSync(srcpath)
-        .filter(file => file.includes('resume-'))
-}
-
-function compileToCSS(lessContent) {
-    let lessDir = path.join(__dirname, '../less');
-    return new Promise((res, rej) => {
-        less.render(lessContent, {
-            paths: [lessDir, lessDir + '/fonts'],
-        }, (e, output) => {
-            if (e) rej(e);
-            else res(output.css);
-        });
-    });
-}
-
-function readFileContent(fileName) {
-    const dir = path.join(__dirname, '../' + fileName);
-    return new Promise((res, rej) => {
-        fs.readFile(dir, 'utf8', (err, template) => {
-            if (err) rej(err);
-            else res(template);
-        });
-    });
-}
-
-function minifyCSS(css) {
-    return new Promise((res, rej) => {
-        new CleanCSS().minify(css, (err, output) => {
-            if (err) rej(err);
-            else res(output)
-        });
-    });
-}
-
-async function compileLessFiles() {
-    const styleLess = await readFileContent('less/style.less');
-    let css = await compileToCSS(styleLess);
-
-    const contents = await Promise.all(
-        directories
-        .map(resume => readFileContent('resumes/' + resume + '/style.less'))
-    );
-    const compiledContents = await Promise.all(
-        contents
-        .map(content => compileToCSS(content))
-    );
-    const ret = compiledContents.reduce((pre, cur) => pre += cur, css);
-
-    // minify
-    const minCSS = await minifyCSS(ret);
-
-    // write file
-    const p = path.join(__dirname, '../public/style.min.css');
-    writeFile(p, minCSS.styles, err => {
-        if (err) console.log(err);
-    });
-}
-
-compileLessFiles();
diff --git a/src/htmlToPdf.js b/src/htmlToPdf.js
deleted file mode 100755
index b504ae7..0000000
--- a/src/htmlToPdf.js
+++ /dev/null
@@ -1,38 +0,0 @@
-const person = require('./person.js');
-const Mustache = require('mustache');
-const pdf = require('html-pdf');
-const fs = require('fs');
-const path = require('path');
-var exec = require('child_process').exec;
-const dir = path.join(__dirname, '../resumes');
-const directories = getDirectories(dir);
-const request = require('request-promise');
-const port = 3000;
-
-require('./server');
-
-function getDirectories(srcpath) {
-    return fs.readdirSync(srcpath)
-        .filter(file => file.includes('resume-'))
-}
-
-async function convertToPdf() {
-    let script = '';
-    let dir = path.join(__dirname, '../pdf');
-    directories.forEach(async(resume) => {
-        script += 'electroshot localhost:3000/' + resume +
-            ' 2481x3508 --pdf-margin none --format pdf --out ' + dir +
-            ' --filename "' + resume + '.pdf" --pdf-background; ';
-    });
-    script = script.substring(0, script.length - 2);
-    exec(script,
-        (error, stdout, stderr) => {
-            if (error) console.log(error);
-            else console.log(stderr);
-            request.get('http://localhost:' + port + '/kill')
-                .catch(error => {});
-        });
-}
-
-
-convertToPdf();
diff --git a/src/less.js b/src/less.js
new file mode 100644
index 0000000..b2173b0
--- /dev/null
+++ b/src/less.js
@@ -0,0 +1,2 @@
+const StyleCompiler = require('./StyleCompiler');
+StyleCompiler.run();
diff --git a/src/javascript.js b/src/public/javascript.js
similarity index 95%
rename from src/javascript.js
rename to src/public/javascript.js
index f7c85e1..25ce429 100755
--- a/src/javascript.js
+++ b/src/public/javascript.js
@@ -60,7 +60,7 @@ const removeBoxShadowOfElement = element => {
 /**
  * gets border radius of element
  * @param  {HTMLElement} element
- * @return {String}         e.g. '50%'
+ * @return {string}         e.g. '50%'
  */
 const getBorderRadiusOfElement = element => {
     return window
@@ -128,11 +128,18 @@ const fixBoxShadows = () => {
     }
 }
 
+/**
+ * checks if the page contains a resume
+ * @return {Boolean} true if page contains resume
+ */
 const isResume = () => {
     if (document.getElementsByTagName('page')[0]) return true;
     else return false;
 }
 
+/**
+ * fixes resume
+ */
 const fixResume = () => {
     if (!isResume()) return;
     getAllDOMElements();
diff --git a/src/renderReadMe.js b/src/renderReadMe.js
deleted file mode 100755
index ea5740a..0000000
--- a/src/renderReadMe.js
+++ /dev/null
@@ -1,31 +0,0 @@
-const showdown = require('showdown');
-const converter = new showdown.Converter();
-const fs = require('fs');
-const path = require('path');
-const Mustache = require('mustache');
-const writeFile = require('write');
-
-function readFileContent(fileName) {
-    const dir = path.join(__dirname, '../' + fileName);
-    return new Promise((res, rej) => {
-        fs.readFile(dir, 'utf8', (err, template) => {
-            if (err) rej(err);
-            else res(template);
-        });
-    });
-}
-
-async function renderReadMe() {
-    const readmeContent = await readFileContent('README.md');
-    const readmeHTML = converter.makeHtml(readmeContent);
-    const githubPagesTemplate = await readFileContent('resumes/views/githubPages.mustache');
-    const readme = Mustache.render(githubPagesTemplate, {
-        content: readmeHTML
-    });
-    writeFile('index.html', readme, err => {
-        if (err) console.log(err)
-        else console.log('Github pages index.html was successfully generated from README.');
-    });
-}
-
-renderReadMe();
diff --git a/src/server.js b/src/server.js
deleted file mode 100755
index 2c007eb..0000000
--- a/src/server.js
+++ /dev/null
@@ -1,60 +0,0 @@
-const path = require('path');
-const fs = require('fs');
-const person = require('./person.js');
-const express = require('express');
-const mustacheExpress = require('mustache-express');
-const request = require('request-promise');
-const port = 3000;
-
-let app = express();
-app.set('views', path.join(__dirname, '../resumes'));
-app.engine('mustache', require('hogan-express'));
-app.set('view engine', 'mustache');
-app.use(express.static(path.join(__dirname, '../public')));
-app.use(express.static(path.join(__dirname, '../node_modules')));
-
-const dir = path.join(__dirname, '../resumes');
-const directories = getDirectories(dir);
-
-function getDirectories(srcpath) {
-    return fs.readdirSync(srcpath)
-        .filter(file => file.includes('resume-'))
-}
-
-let resumes = [];
-directories.forEach(dir => {
-    let name = dir.replace('resume-', '');
-    resumes.push({
-        path: dir,
-        name: name.replace('-', ' ')
-    })
-});
-
-app.get('/', (req, res) => {
-    res.render('views/layout', {
-        partials: {
-            content: 'views/index'
-        },
-        resumes: resumes
-    });
-});
-
-app.get('/kill', () => process.exit());
-
-for (let resume of directories) {
-    app.get('/' + resume, (req, res) => {
-        res.render('views/layout', {
-            partials: {
-                content: resume + '/index'
-            },
-            person: person
-        });
-    });
-}
-
-request.get('http://localhost:' + port + '/kill')
-    .catch(error => {});
-
-setTimeout(() => {
-    app.listen(port, '0.0.0.0', () => console.log('Listening on localhost:' + port + '!'));
-}, 500);