Add docker env

Dockerfile

@@ -0,0 +1,38 @@
+# Make sure it matches the Ruby version in .ruby-version and Gemfile
+ARG RUBY_VERSION=3.2.2
+FROM ruby:$RUBY_VERSION
+
+# Install libvips for Active Storage preview support
+RUN apt-get update -qq && \
+    apt-get install -y build-essential libvips && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /usr/share/doc /usr/share/man
+
+# Rails app lives here
+WORKDIR /rails
+
+# Set production environment
+ENV RAILS_LOG_TO_STDOUT="1" \
+    RAILS_SERVE_STATIC_FILES="true" \
+    RAILS_ENV="production" \
+    BUNDLE_WITHOUT="development"
+
+# Install application gems
+COPY Gemfile Gemfile.lock ./
+RUN bundle install
+
+# Copy application code
+COPY . .
+
+# Precompile bootsnap code for faster boot times
+RUN bundle exec bootsnap precompile --gemfile app/ lib/
+
+# Precompiling assets for production without requiring secret RAILS_MASTER_KEY
+RUN SECRET_KEY_BASE_DUMMY=1 bundle exec rails assets:precompile
+
+# Entrypoint prepares the database.
+ENTRYPOINT ["/rails/bin/docker-entrypoint"]
+
+# Start the server by default, this can be overwritten at runtime
+EXPOSE 3000
+CMD ["./bin/rails", "server"]

Gemfile

@@ -3,7 +3,7 @@ git_source(:github) { |repo| "https://github.com/#{repo}.git" }
 
 ruby "3.2.2"
 
-gem "rails", "~> 7.1.0"
+gem "rails", "~> 7.1.4"
 
 gem "chronic", "~> 0.10.2"