Optimize Dockerfile

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+# First stage: Build stage with all dependencies and tools
+FROM ubuntu:20.04 AS build
+
+# Set timezone and install base dependencies
+ENV TZ=Europe/London
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
+    apt-get update && apt-get install -y \
+    curl \
+    git \
+    build-essential \
+    software-properties-common \
+    wget \
+    zlib1g-dev \
+    libreadline-dev \
+    libyaml-dev \
+    libffi-dev \
+    libxml2-dev \
+    libxslt1-dev \
+    wait-for-it \
+    imagemagick \
+    unzip \
+    libjemalloc-dev \
+    libssl-dev \
+    ca-certificates \
+    gnupg
+
+# Setup environment variables
+ENV PATH /usr/local/src/rbenv/shims:/usr/local/src/rbenv/bin:/usr/local/src/nodenv/shims:/usr/local/src/nodenv/bin:$PATH
+ENV RBENV_ROOT /usr/local/src/rbenv
+ENV NODENV_ROOT /usr/local/src/nodenv
+ENV CONFIGURE_OPTS --disable-install-doc
+ENV BUNDLE_PATH /bundles
+ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so
+
+# Install rbenv and Ruby
+COPY .ruby-version .ruby-version.raw
+RUN cat .ruby-version.raw | tr -d '\r\t ' > .ruby-version
+RUN git clone --depth 1 https://github.com/rbenv/rbenv.git ${RBENV_ROOT} && \
+    git clone --depth 1 https://github.com/rbenv/ruby-build.git ${RBENV_ROOT}/plugins/ruby-build && \
+    echo 'eval "$(rbenv init -)"' >> /etc/profile.d/rbenv.sh && \
+    RUBY_CONFIGURE_OPTS=--with-jemalloc rbenv install $(cat .ruby-version) && \
+    rbenv global $(cat .ruby-version)
+
+# Install PostgreSQL client and development libraries
+RUN sh -c "echo 'deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main' >> /etc/apt/sources.list.d/pgdg.list" && \
+    curl -sSL https://www.postgresql.org/media/keys/ACCC4CF8.asc | gpg --dearmor | tee /etc/apt/trusted.gpg.d/apt.postgresql.org.gpg >/dev/null && \
+    apt-get update && \
+    apt-get install -y --no-install-recommends postgresql-client-10 libpq-dev
+
+# Install nodenv and Node.js with Yarn
+COPY .node-version .node-version.raw
+RUN cat .node-version.raw | tr -d '\r\t ' > .node-version
+RUN git clone --depth 1 https://github.com/nodenv/nodenv.git ${NODENV_ROOT} && \
+    git clone --depth 1 https://github.com/nodenv/node-build.git ${NODENV_ROOT}/plugins/node-build && \
+    git clone --depth 1 https://github.com/pine/nodenv-yarn-install.git ${NODENV_ROOT}/plugins/nodenv-yarn-install && \
+    git clone --depth 1 https://github.com/nodenv/nodenv-package-rehash.git ${NODENV_ROOT}/plugins/nodenv-package-rehash && \
+    echo 'eval "$(nodenv init -)"' >> /etc/profile.d/nodenv.sh && \
+    nodenv install $(cat .node-version) && \
+    nodenv global $(cat .node-version)
+
+# Install Chrome and Chromedriver
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - && \
+    sh -c "echo 'deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main' > /etc/apt/sources.list.d/google-chrome.list" && \
+    apt-get update && apt-get install -y google-chrome-stable && \
+    wget -q https://chromedriver.storage.googleapis.com/2.41/chromedriver_linux64.zip && \
+    unzip chromedriver_linux64.zip -d /usr/bin && \
+    chmod u+x /usr/bin/chromedriver && \
+
+# Copy application code and install dependencies
+WORKDIR /usr/src/app
+COPY . /usr/src/app/
+RUN ./script/install-bundler && yarn install && bundle install --jobs="$(nproc)"
+
+# Final stage: Runtime stage with minimal necessary components
+FROM ubuntu:20.04 AS development
+
+# Set timezone and copy necessary binaries and libraries
+ENV TZ=Europe/London
+RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone && \
+    apt-get update && apt-get install -y \
+    imagemagick \
+    libjemalloc-dev \
+    libssl-dev \
+    libpq-dev \
+    ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy runtime-specific environment configurations
+ENV PATH /usr/local/src/rbenv/shims:/usr/local/src/rbenv/bin:/usr/local/src/nodenv/shims:/usr/local/src/nodenv/bin:$PATH
+ENV BUNDLE_PATH /bundles
+ENV LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libjemalloc.so
+
+# Copy only essential files and libraries from build stage
+COPY --from=build /usr/src/app /usr/src/app
+COPY --from=build /usr/local/src/rbenv /usr/local/src/rbenv
+COPY --from=build /usr/local/src/nodenv /usr/local/src/nodenv
+COPY --from=build /etc/profile.d/rbenv.sh /etc/profile.d/rbenv.sh
+COPY --from=build /etc/profile.d/nodenv.sh /etc/profile.d/nodenv.sh
+COPY --from=build /usr/bin/chromedriver /usr/bin/chromedriver
+COPY --from=build /usr/bin/google-chrome-stable /usr/bin/google-chrome-stable
+
+# Set working directory
+WORKDIR /usr/src/app