From ffc33cbb40a90c7cd62e1c67460dc8d74d6bcb7a Mon Sep 17 00:00:00 2001
From: Achmad Chun Chun <41361100+anonychun@users.noreply.github.com>
Date: Sat, 17 Feb 2024 21:47:57 +0700
Subject: [PATCH] Speedup docker build time (#463)

---
 Dockerfile | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index fae4a4c74e2..a4818e549d8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,10 @@ FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base
 # Rails app lives here
 WORKDIR /rails
 
+# Install base packages
+RUN apt-get update -qq && \
+    apt-get install --no-install-recommends -y curl libvips postgresql-client
+
 # Set production environment
 ENV RAILS_ENV="production" \
     BUNDLE_DEPLOYMENT="1" \
@@ -18,8 +22,7 @@ ENV RAILS_ENV="production" \
 FROM base as build
 
 # Install packages needed to build gems
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y build-essential git libpq-dev libvips pkg-config
+RUN apt-get install --no-install-recommends -y build-essential git libpq-dev pkg-config
 
 # Install application gems
 COPY Gemfile Gemfile.lock ./
@@ -40,10 +43,8 @@ RUN SECRET_KEY_BASE_DUMMY=1 ./bin/rails assets:precompile
 # Final stage for app image
 FROM base
 
-# Install packages needed for deployment
-RUN apt-get update -qq && \
-    apt-get install --no-install-recommends -y curl libvips postgresql-client && \
-    rm -rf /var/lib/apt/lists /var/cache/apt/archives
+# Clean up installation packages to reduce image size
+RUN rm -rf /var/lib/apt/lists /var/cache/apt/archives
 
 # Copy built artifacts: gems, application
 COPY --from=build "${BUNDLE_PATH}" "${BUNDLE_PATH}"