bower.json

{
  "name": "xpn",
  "version": "0.0.0",
  "dependencies": {
    "jquery": "~2.1.4",
    "bootstrap": "~3.3.5"
  },
  "overrides": {
    "bootstrap": {
      "main": [
        "dist/js/bootstrap.min.js",
        "dist/css/bootstrap.min.css",
        "dist/fonts/glyphicons-halflings-regular.eot",
        "dist/fonts/glyphicons-halflings-regular.svg",
        "dist/fonts/glyphicons-halflings-regular.ttf",
        "dist/fonts/glyphicons-halflings-regular.woff",
        "dist/fonts/glyphicons-halflings-regular.woff2"
      ]
    }
  }
}

brunch-config.js

exports.config = {
  files: {
    javascripts: {
      joinTo: {
        "js/app.js":    /^(web\/static\/js)/,
        "js/vendor.js": /^bower_components|(deps\/phoenix\/web\/static)|(deps\/phoenix_html\/web\/static)/
      },
      order: {
        before: [
          "bower_components/jquery/dist/jquery.min.js"
        ]
      }
    },
    stylesheets: {
      joinTo: {
        "css/app.css":    /^(web\/static\/css)/,
        "css/vendor.css": /^bower_components|(deps\/phoenix\/web\/static)|(deps\/phoenix_html\/web\/static)/
      },
      order: {
        before: [
          "bower_components/bootstrap/dist/css/bootstrap.min.css"
        ]
      }
    },
    templates: {
      joinTo: "js/app.js"
    }
  },
  conventions: {
    assets: /^(web\/static\/assets)|(bower_components\/bootstrap\/dist\/fonts)/
  },
  paths: {
    watched: [
      "deps/phoenix/web/static",
      "deps/phoenix_html/web/static",
      "web/static",
      "test/static"
    ],
    public: "priv/static"
  },
  plugins: {
    babel: {
      // Do not use ES6 compiler in vendor code
      ignore: [/web\/static\/vendor/]
    },
    afterBrunch: [
      [
        'mkdir -p priv/static/fonts',
        'mv priv/static/glyphicons-halflings-regular.* priv/static/fonts/'
      ].join(' && ')
    ]
  },
  modules: {
    autoRequire: {
      "js/app.js": ["web/static/js/app"]
    }
  },
  npm: {
    enabled: true
  }
};

package.json

{
  "repository": {
  },
  "dependencies": {
    "brunch": "^1.8.5",
    "babel-brunch": "^5.1.1",
    "clean-css-brunch": ">= 1.0 < 1.8",
    "css-brunch": ">= 1.0 < 1.8",
    "javascript-brunch": ">= 1.0 < 1.8",
    "uglify-js-brunch": ">= 1.0 < 1.8",
    "after-brunch": "> 0.0.0"
  }
}