Actually add sentry, also add libnss3 dependency

Dockerfile

@@ -7,7 +7,7 @@ WORKDIR /app
 # Install Yarn
 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 apt update && apt install -y yarn xvfb
+RUN apt update && apt install -y yarn xvfb libnss3
 
 COPY ./Gemfile ./Gemfile.lock /app/
 

config/initializers/sentry.rb

@@ -0,0 +1,6 @@
+Sentry.init do |config|
+  config.dsn = ENV["SENTRY_DSN"]
+  config.breadcrumbs_logger = [:active_support_logger, :http_logger]
+  config.enabled_environments = %w[production]
+  config.debug = ENV.fetch("SENTRY_DEBUG", false)
+end