diff --git a/.github/workflows/test-and-publish.yml b/.github/workflows/ci.yml
similarity index 73%
rename from .github/workflows/test-and-publish.yml
rename to .github/workflows/ci.yml
index f171fda6..91eef1bc 100644
--- a/.github/workflows/test-and-publish.yml
+++ b/.github/workflows/ci.yml
@@ -49,6 +49,12 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
       - name: Edit configuration
         run: |
           mv configs/secret.php.example configs/secret.php;
@@ -58,18 +64,17 @@ jobs:
       - run: echo "::set-output name=version::$(date +%Y-%m-%dT%H-%M)-$(echo ${{ github.sha }} | cut -c1-8)"
         id: version
 
-      - name: Build docker image using cache
-        env:
-          DOCKER_BUILDKIT: 1
-        run: |
-          docker pull ghcr.io/femiwiki/mediawiki:latest
-          docker build \
-            --build-arg BUILDKIT_INLINE_CACHE=1 \
-            --cache-from ghcr.io/femiwiki/mediawiki:latest \
-            --tag ghcr.io/femiwiki/mediawiki:latest \
-            --tag ghcr.io/femiwiki/mediawiki:docker-test \
-            --tag ghcr.io/femiwiki/mediawiki:${{ steps.version.outputs.version }} \
-            .
+      # Build amd64 only for testing, do not push.
+      - name: Build
+        uses: docker/build-push-action@v2
+        with:
+          cache-to: type=inline
+          platforms: linux/amd64
+          load: true
+          tags: |
+            ghcr.io/femiwiki/mediawiki:latest
+            ghcr.io/femiwiki/mediawiki:docker-test
+            ghcr.io/femiwiki/mediawiki:${{ steps.version.outputs.version }}
 
       - name: Initialize docker swarm and start services
         run: |
@@ -82,29 +87,29 @@ jobs:
           echo 'Waiting for http...'
           until curl -sLfo /dev/null 127.0.0.1; do
             sleep 1; done
-
+      - name: Test Parsoid API
+        run: |
           echo 'Waiting for parsoid...'
           until [ -n "$(docker ps -qf 'name=^mediawiki_parsoid')" ]; do
             sleep 1; done
           ID="$(docker ps -qf 'name=^mediawiki_parsoid')"
           until [ "$(docker inspect "$ID" --format='{{json .State.Health.Status}}')" = \"healthy\" ]; do
             sleep 1; done
-      - name: Test Parsoid API
-        run: |
           URL="http://127.0.0.1/api.php?action=visualeditor&format=json&page=arbitrary_page&paction=parse&wikitext=arbitrary"
           [[ ! "$(curl -Ls "$URL")" = *\"error\"* ]]
+
       - name: backup of failure
         if: ${{ failure() }}
-        # Allow fails
-        shell: bash
         run: |
           echo 'Failed to connect to 127.0.0.1';
-          curl -sLo /dev/null localhost; echo $?
-          curl -Ls "$URL" http://127.0.0.1/api.php?action=visualeditor&format=json&page=arbitrary_page&paction=parse&wikitext=arbitrary
+          curl -sLo /dev/null localhost && echo "success" || echo "failure"
+          URL="http://127.0.0.1/api.php?action=visualeditor&format=json&page=arbitrary_page&paction=parse&wikitext=arbitrary"
+          curl -Ls "$URL" && echo "success" || echo "failure"
           docker ps;
           for s in $(docker service ls -q ); do docker service ps "$s"; done
           docker container ps;
           for s in $(docker service ls -q ); do docker service logs "$s"; done
+
       - name: Check if the container is still up
         run: test "$(docker service ps -qf 'desired-state=Running' -f 'desired-state=Ready' mediawiki_fastcgi)"
       - name: Try to access the mediawiki
@@ -115,12 +120,15 @@ jobs:
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
-          username: femiwiki-bot
-          password: ${{ secrets.CR_PAT }}
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Publish to Registry
-        # Publish only when in the default branch
-        if: github.repository_owner == 'femiwiki' && github.ref == 'refs/heads/main'
-        run: |
-          docker push ghcr.io/femiwiki/mediawiki:latest
-          docker push ghcr.io/femiwiki/mediawiki:${{ steps.version.outputs.version }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          cache-to: type=inline
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.repository_owner == 'femiwiki' && github.ref == 'refs/heads/main' }}
+          tags: |
+            ghcr.io/femiwiki/mediawiki:latest
+            ghcr.io/femiwiki/mediawiki:${{ steps.version.outputs.version }}
diff --git a/Dockerfile b/Dockerfile
index f5fb60da..31418242 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,30 +1,56 @@
+ARG MEDIAWIKI_VERSION=1.35.2
+
 #
-# 미디어위키 및 확장 설치 스테이지. 루비 스크립트를 이용해 수많은 미디어위키
+# 미디어위키 확장 설치 스테이지. 루비 스크립트를 이용해 수많은 미디어위키
 # 확장들을 병렬로 빠르게 미리 다운받아 놓는다.
 #
-FROM ruby:2.7 AS base-extension
+FROM --platform=$TARGETPLATFORM ruby:3.0.1-alpine AS base-extension
 
-ARG MEDIAWIKI_VERSION=1.35.2
-ARG COMPOSER_VERSION=2.0.12
+# ARG instructions without a value inside of a build stage to use the default
+# value of an ARG declared before the first FROM use
+ARG MEDIAWIKI_VERSION
 
-# Install composer, aria2, sudo and preload configuration file of
 # aria2
 #
 # References:
-#   https://getcomposer.org/
 #   https://aria2.github.io/
+RUN apk update && apk add \
+      aria2
+
+# Install aria2.conf
+COPY extension-installer/aria2.conf /root/.config/aria2/aria2.conf
+
+RUN mkdir -p /tmp/mediawiki/
+
+# Extensions and skins setup
+COPY extension-installer/* /tmp/
+RUN bundle config set deployment 'true' &&\
+    bundle config set path '/var/www/.gem' &&\
+    bundle install --gemfile /tmp/Gemfile
+RUN MEDIAWIKI_BRANCH="REL$(echo $MEDIAWIKI_VERSION | cut -d. -f-2 | sed 's/\./_/g')" &&\
+    GEM_HOME=/var/www/.gem/ruby/3.0.0 ruby /tmp/install_extensions.rb "${MEDIAWIKI_BRANCH}"
+
+#
+# 미디어위키 다운로드와 Composer 스테이지. 다운받은 확장기능에 더해 미디어위키를 추가로 받고
+# Composer로 디펜던시들을 설치한다.
+#
+FROM --platform=$TARGETPLATFORM php:7.4.16-cli AS base-mediawiki
+
+ARG MEDIAWIKI_VERSION
+ARG COMPOSER_VERSION=2.0.12
+
+# Install dependencies and utilities
 RUN apt-get update && apt-get install -y \
       # Required for composer
-      php7.3-cli \
-      php7.3-mbstring \
-      # Required for aws-sdk-php
-      php7.3-simplexml \
-      # Install other CLI utilities
-      aria2 \
-      sudo
+      git
+
+COPY --from=base-extension /tmp/mediawiki /tmp/mediawiki
 
 # Install Composer
-RUN EXPECTED_SIGNATURE="$(wget -q -O - https://composer.github.io/installer.sig)" &&\
+#
+# References:
+#   https://getcomposer.org/
+RUN EXPECTED_SIGNATURE="$(curl -fSL https://composer.github.io/installer.sig)" &&\
     php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" &&\
     ACTUAL_SIGNATURE="$(php -r "echo hash_file('SHA384', 'composer-setup.php');")" &&\
     if [ "$EXPECTED_SIGNATURE" != "$ACTUAL_SIGNATURE" ]; then \
@@ -35,32 +61,20 @@ RUN EXPECTED_SIGNATURE="$(wget -q -O - https://composer.github.io/installer.sig)
     php composer-setup.php --version "${COMPOSER_VERSION}" --install-dir=/usr/local/bin --filename=composer --quiet
 
 # Create a cache directory for composer
-RUN sudo -u www-data mkdir -p /tmp/composer
-
-# Install aria2.conf
-COPY extension-installer/aria2.conf /root/.config/aria2/aria2.conf
-
-RUN mkdir -p /tmp/mediawiki/ &&\
-    chown www-data:www-data /tmp/mediawiki/
-
-# Extensions and skins setup
-COPY extension-installer/* /tmp/
-RUN bundle install --deployment --gemfile /tmp/Gemfile --path /var/www/.gem
-RUN export MEDIAWIKI_BRANCH="REL$(echo $MEDIAWIKI_VERSION | cut -d. -f-2 | sed 's/\./_/g')" &&\
-    sudo -u www-data ruby /tmp/install_extensions.rb "${MEDIAWIKI_BRANCH}"
+RUN mkdir -p /tmp/composer
 
 # MediaWiki setup
-COPY --chown=www-data configs/composer.local.json /tmp/mediawiki/
-RUN export MEDIAWIKI_MAJOR_VERSION="$(echo $MEDIAWIKI_VERSION | cut -d. -f-2)" &&\
+COPY configs/composer.local.json /tmp/mediawiki/
+RUN MEDIAWIKI_MAJOR_VERSION="$(echo $MEDIAWIKI_VERSION | cut -d. -f-2)" &&\
     curl -fSL "https://releases.wikimedia.org/mediawiki/${MEDIAWIKI_MAJOR_VERSION}/mediawiki-core-${MEDIAWIKI_VERSION}.tar.gz" -o mediawiki.tar.gz &&\
-    sudo -u www-data tar -xzf mediawiki.tar.gz --strip-components=1 --directory /tmp/mediawiki/ &&\
+    tar -xzf mediawiki.tar.gz --strip-components=1 --directory /tmp/mediawiki/ &&\
     rm mediawiki.tar.gz
-RUN sudo -u www-data COMPOSER_HOME=/tmp/composer composer update --no-dev --working-dir '/tmp/mediawiki'
+RUN COMPOSER_HOME=/tmp/composer composer update --no-dev --working-dir '/tmp/mediawiki'
 
 #
-# Caddy에 Route53 패키지를 설치한다.
+# Caddy 스테이지. Route53와 caddy-mwcache 패키지를 설치한 Caddy를 빌드한다.
 #
-FROM caddy:2.3.0-builder AS caddy
+FROM --platform=$TARGETPLATFORM caddy:2.3.0-builder AS caddy
 
 RUN xcaddy build \
       --with github.com/caddy-dns/route53 \
@@ -78,7 +92,7 @@ RUN xcaddy build \
 #   /tmp/log/cron          크론 로그
 #   /tini                  tini
 #
-FROM php:7.4.16-fpm
+FROM --platform=$TARGETPLATFORM php:7.4.16-fpm
 
 # Install dependencies and utilities
 RUN apt-get update && apt-get install -y \
@@ -141,7 +155,7 @@ COPY php/www.conf /usr/local/etc/php-fpm.d/www.conf
 COPY php/opcache-recommended.ini /usr/local/etc/php/conf.d/opcache-recommended.ini
 
 # Install Mediawiki and extensions
-COPY --from=base-extension --chown=www-data /tmp/mediawiki /srv/femiwiki.com
+COPY --from=base-mediawiki --chown=www-data /tmp/mediawiki /srv/femiwiki.com
 # TODO Check the next line is valid when bump MediaWiki version
 # TODO Remove the next line in MW 1.36
 # Fix https://phabricator.wikimedia.org/T264735
diff --git a/development.yml b/development.yml
index fa997e76..ff689692 100644
--- a/development.yml
+++ b/development.yml
@@ -47,7 +47,7 @@ services:
       - MEDIAWIKI_LINTING=true
       - MEDIAWIKI_APIS_DOMAIN=localhost
   mysql:
-    image: mysql:8.0
+    image: mysql/mysql-server:8.0
     command: --default-authentication-plugin=mysql_native_password
     volumes:
       - database:/var/lib/mysql
diff --git a/extension-installer/Gemfile b/extension-installer/Gemfile
index 3d730a44..1a309054 100644
--- a/extension-installer/Gemfile
+++ b/extension-installer/Gemfile
@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 
-gem 'parallel', "1.13"
+gem 'parallel', "1.20.1"
diff --git a/extension-installer/Gemfile.lock b/extension-installer/Gemfile.lock
index fe5e4bf4..40f1a1d2 100644
--- a/extension-installer/Gemfile.lock
+++ b/extension-installer/Gemfile.lock
@@ -1,13 +1,13 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    parallel (1.13.0)
+    parallel (1.20.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  parallel (= 1.13)
+  parallel (= 1.20.1)
 
 BUNDLED WITH
    1.17.2
diff --git a/production.yml b/production.yml
index 5564b7a5..9ae32dd5 100644
--- a/production.yml
+++ b/production.yml
@@ -49,7 +49,7 @@ services:
   mathoid:
     image: ghcr.io/femiwiki/mathoid:2020-12-09T04-56-c3db867c
   mysql:
-    image: mysql:8.0.23
+    image: mysql/mysql-server:8.0.23
     ports:
       - 3306:3306
     command: --default-authentication-plugin=mysql_native_password