chore: Support Github Codespaces (#2510)

Note: Update the ruby version 2.7.3. For production Linux VM, install 2.7.3 and follow the upgrade steps as shown in https://www.chatwoot.com/docs/self-hosted/deployment/linux-vm#upgrading-to-a-newer-version-of-chatwoot

.devcontainer/Dockerfile

@@ -1,51 +1,11 @@
-# pre-build stage
-ARG VARIANT=2.7
-FROM mcr.microsoft.com/vscode/devcontainers/ruby:${VARIANT}
-
-# Update args in docker-compose.yaml to set the UID/GID of the "vscode" user.
-ARG USER_UID=1000
-ARG USER_GID=$USER_UID
-RUN if [ "$USER_GID" != "1000" ] || [ "$USER_UID" != "1000" ]; then \
-        groupmod --gid $USER_GID vscode \
-        && usermod --uid $USER_UID --gid $USER_GID vscode \
-        && chmod -R $USER_UID:$USER_GID /home/vscode; \
-    fi
-
-# [Option] Install Node.js
-ARG INSTALL_NODE="true"
-ARG NODE_VERSION="lts/*"
-RUN if [ "${INSTALL_NODE}" = "true" ]; then su vscode -c "source /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
-
-
-# tmux is for overmind 
-# TODO : install foreman in future
-# packages: postgresql-server-dev-all 
-# may be postgres in same machine 
-
-RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-  && apt-get -y install --no-install-recommends \
-    libssl-dev \
-    tar \
-    tzdata \
-    postgresql-client \
-    yarn \
-    git \
-    imagemagick \
-    tmux \
-    zsh
-
-# [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
-
+# The below image is created out of the Dockerfile.base
+# It has the dependencies already installed so that codespace will boot up fast
+FROM ghcr.io/sojan-official/chatwoot_codespace:latest
 
 # Do the set up required for chatwoot app 
 WORKDIR /workspace
 COPY . /workspace
+RUN yarn
 
-# TODO: figure out installing rvm
-# RUN rvm install
 COPY Gemfile Gemfile.lock ./
-RUN gem install bundler
-RUN bundle install
-COPY package.json yarn.lock ./
-RUN yarn install
+RUN gem install bundler && bundle install