Add yarn support

Signed-off-by: Felix Kaechele <felix@kaechele.ca>

.gitignore

@@ -34,3 +34,5 @@ tmp/*
 .ropeproject
 .sonarlint/*
 pdns.db
+
+node_modules

.yarnrc

@@ -0,0 +1 @@
+--*.modules-folder "./app/static/node_modules"

docker/PowerDNS-Admin/Dockerfile

@@ -6,7 +6,14 @@ ENV ENVIRONMENT=${ENVIRONMENT}
 WORKDIR /powerdns-admin
 
 RUN apt-get update -y
-RUN apt-get install -y python3-pip python3-dev supervisor
+RUN apt-get install -y python3-pip python3-dev supervisor curl
+
+RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
+RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list
+
+# Install yarn
+RUN apt-get update -y
+RUN apt-get install -y yarn
 
 # lib for building mysql db driver
 RUN apt-get install -y libmysqlclient-dev
@@ -19,6 +26,7 @@ RUN apt-get install -y libxml2-dev libxslt1-dev libxmlsec1-dev libffi-dev pkg-co
 
 COPY ./requirements.txt /powerdns-admin/requirements.txt
 RUN pip3 install -r requirements.txt
+RUN yarn
 
 ADD ./supervisord.conf /etc/supervisord.conf
 ADD . /powerdns-admin/

package.json

@@ -0,0 +1,9 @@
+{
+  "dependencies": {
+    "admin-lte": "2.4.3",
+    "icheck": "^1.0.2",
+    "jquery-slimscroll": "^1.3.8",
+    "jquery-ui-dist": "^1.12.1",
+    "multiselect": "^0.9.12"
+  }
+}