Update Dockerfile

Dockerfile

@@ -1,17 +1,40 @@
 FROM ruby:2.7.2
+
+# Add Yarn package repository
 RUN curl -sL 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-get update -qq && apt-get install -y build-essential libpq-dev nodejs postgresql-client yarn
+
+# Add NodeSource repository for Node.js 14.x (or another supported version)
+RUN curl -sL https://deb.nodesource.com/setup_14.x | bash -
+
+# Update package list and install dependencies
+RUN apt-get update -qq && apt-get install -y \
+  build-essential libpq-dev nodejs postgresql-client yarn
+
+# Create application directory
 RUN mkdir /sample_rails_application
 WORKDIR /sample_rails_application
+
+# Copy Gemfile and Gemfile.lock
 COPY Gemfile /sample_rails_application/Gemfile
 COPY Gemfile.lock /sample_rails_application/Gemfile.lock
+
+# Copy package.json and yarn.lock
 COPY package.json /sample_rails_application/package.json
 COPY yarn.lock /sample_rails_application/yarn.lock
+
+# Install bundler and gems
 RUN gem install bundler -v '2.2.15'
 RUN bundle install
+
+# Install node modules using Yarn
 RUN yarn install --check-files
+
+# Copy the rest of the application code
 COPY . /sample_rails_application
+
+# Expose the port the app runs on
 EXPOSE 3000
 
-#CMD ["rails", "server", "-b", "0.0.0.0"]
+# Define the command to run the application
+CMD ["bash", "-c", "bin/rails db:migrate && bin/rails server -b 0.0.0.0"]