update dockerfile with dependecies

Dockerfile

@@ -4,7 +4,7 @@ RUN apt-get update -qq && apt-get install -y apt-transport-https ca-certificates
 RUN curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add -
 RUN echo "deb https://dl.yarnpkg.com/debian/ stable main" | tee /etc/apt/sources.list.d/yarn.list
 RUN curl -sL https://deb.nodesource.com/setup_16.x | bash -
-RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs yarn
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev nodejs yarn default-libmysqlclient-dev
 
 WORKDIR /app
 COPY Gemfile ./Gemfile