diff --git a/.github/workflows/4testing-build.yml b/.github/workflows/4testing-build.yml
index 138cd30..5b6deb1 100644
--- a/.github/workflows/4testing-build.yml
+++ b/.github/workflows/4testing-build.yml
@@ -47,25 +47,31 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - id: matrix
+        env:
+          BRANCH_NAME: ${{ github.ref_name }}
+          AMD64: ${{ github.event.inputs.amd64 }}
+          ARM64: ${{ github.event.inputs.arm64 }}
+          COMMUNITY: ${{ github.event.inputs.community }}
+          ENTERPRISE: ${{ github.event.inputs.enterprise }}
+          DEVELOPER: ${{ github.event.inputs.developer }}
         run: |
           set -ex
 
-          BRANCH_NAME=${GITHUB_REF#refs/heads/}
-          if ! [[ $BRANCH_NAME == develop || $BRANCH_NAME =~ hotfix || $BRANCH_NAME =~ release ]]; then
+          if ! [[ "$BRANCH_NAME" == develop || "$BRANCH_NAME" =~ hotfix || "$BRANCH_NAME" =~ release ]]; then
             echo "Wrong branch."
             exit 1
           fi
 
-          [ ${{ github.event.inputs.amd64 }} = true ] && PLATFORMS+=("amd64")
-          [ ${{ github.event.inputs.arm64 }} = true ] && PLATFORMS+=("arm64")
+          [ "${AMD64}" = true ] && PLATFORMS+=("amd64")
+          [ "${ARM64}" = true ] && PLATFORMS+=("arm64")
           if [ -z ${PLATFORMS} ]; then
             echo "None of the platforms are selected."
             exit 1
           fi
 
-          [ ${{ github.event.inputs.community }} = true ] && EDITIONS+=("community")
-          [ ${{ github.event.inputs.enterprise }} = true ] && EDITIONS+=("enterprise")
-          [ ${{ github.event.inputs.developer }} = true ] && EDITIONS+=("developer")
+          [ "${COMMUNITY}" = true ] && EDITIONS+=("community")
+          [ "${ENTERPRISE}" = true ] && EDITIONS+=("enterprise")
+          [ "${DEVELOPER}" = true ] && EDITIONS+=("developer")
           if [ -z ${EDITIONS} ]; then
             echo "None of the editions are selected."
             exit 1
@@ -102,12 +108,20 @@ jobs:
 
       - name: Build 4testing
         id: build-ds
+        env:
+          BRANCH_NAME: ${{ github.ref_name }}
+          AMD64: ${{ github.event.inputs.amd64 }}
+          ARM64: ${{ github.event.inputs.arm64 }}
+          BUILD_NUMBER: ${{ github.event.inputs.build }}
+          EDITION: ${{ matrix.edition }}
+          IMAGE: ${{ matrix.image }}
+          PACKAGE_BASEURL: ${{ secrets.REPO_BASEURL }}
         run: |
           set -eux
 
           ### ==>> At this step build variable declaration ###
 
-          case ${{ matrix.edition }} in
+          case "${EDITION}" in
             community)
               PRODUCT_EDITION=""
               ;;
@@ -119,23 +133,20 @@ jobs:
               ;;
           esac
 
-          [ ${{ github.event.inputs.amd64 }} = true ] && PLATFORMS+=("amd64")
-          [ ${{ github.event.inputs.arm64 }} = true ] && PLATFORMS+=("arm64")
+          [ "${AMD64}" = true ] && PLATFORMS+=("amd64")
+          [ "${ARM64}" = true ] && PLATFORMS+=("arm64")
           PLATFORM=$(echo ${PLATFORMS[*]/#/linux/} | tr ' ' ',')
 
-          BRANCH_NAME=${GITHUB_REF#refs/heads/}
-          if [ $BRANCH_NAME = develop ]; then
+          if [ "$BRANCH_NAME" = develop ]; then
             BUILD_CHANNEL=nightly
             PRODUCT_VERSION=99.99.99
-          elif [[ $BRANCH_NAME =~ hotfix || $BRANCH_NAME =~ release ]]; then
+          elif [[ "$BRANCH_NAME" =~ hotfix || "$BRANCH_NAME" =~ release ]]; then
             BUILD_CHANNEL=test
             PRODUCT_VERSION=${BRANCH_NAME#*/v}
           fi
-          BUILD_NUMBER=${{ github.event.inputs.build }}
 
           export PRODUCT_EDITION
           export PACKAGE_VERSION=${PRODUCT_VERSION}-${BUILD_NUMBER}
-          export PACKAGE_BASEURL=${{ secrets.REPO_BASEURL }}
           export BUILD_CHANNEL
           export PLATFORM
           export DOCKERFILE=Dockerfile
@@ -144,7 +155,7 @@ jobs:
 
           ### ==>> Build and push images at this step ###
 
-          docker buildx bake -f docker-bake.hcl ${{ matrix.image }} --push
+          docker buildx bake -f docker-bake.hcl "${IMAGE}" --push
           echo "DONE: Build success"
 
           ### Set output for Zap scanner
@@ -165,10 +176,11 @@ jobs:
           VERSION: ${{ steps.build-ds.outputs.version }}
           BRANCH: ${{ steps.build-ds.outputs.branch }}
           GITHUB_TOKEN: ${{ secrets.TOKEN }}
+          REPO: ${{ github.repository }}
         run: |
             gh workflow run zap-ds.yaml \
-                 --repo ${{ github.repository }} \
-                 -f branch=${BRANCH} \
-                 -f version=${VERSION}
+                 --repo "${REPO}" \
+                 -f branch="${BRANCH}" \
+                 -f version="${VERSION}"
         shell: bash
 
diff --git a/.github/workflows/stable-build.yml b/.github/workflows/stable-build.yml
index ab5813c..01e80f7 100644
--- a/.github/workflows/stable-build.yml
+++ b/.github/workflows/stable-build.yml
@@ -17,7 +17,9 @@ on:
 
 env:
   COMPANY_NAME: "onlyoffice"
-  PRODUCT_NAME: "documentserver" 
+  PRODUCT_NAME: "documentserver"
+  VERSION: ${{ github.event.inputs.tag }}
+  RELEASE_NUMBER: ${{ github.event.inputs.release_number }}
 
 jobs:
   build:
@@ -45,18 +47,18 @@ jobs:
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: Build documentserver-release
+        env:
+          TARGET: ${{ matrix.images }}
+          PRODUCT_EDITION: ${{ matrix.edition }}
         run: |
           set -eux
-          VERSION=${{ github.event.inputs.tag }}
-          RELEASE_NUMBER=${{ github.event.inputs.release_number }}
-          PRODUCT_EDITION=${{ matrix.edition }}
           TESTING_IMAGE=${COMPANY_NAME}/4testing-${PRODUCT_NAME}${PRODUCT_EDITION}
             export PRODUCT_EDITION
             export PULL_TAG=${VERSION}
             export TAG=${VERSION%.*}.${RELEASE_NUMBER}
             export SHORTER_TAG=${VERSION%.*}
             export SHORTEST_TAG=${VERSION%.*.*}
-            docker buildx bake -f docker-bake.hcl ${{ matrix.images }} --push
+            docker buildx bake -f docker-bake.hcl "${TARGET}" --push
             echo "DONE: Build success >> exit with 0"
             exit 0
         shell: bash
@@ -88,14 +90,14 @@ jobs:
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: build image
+        env:
+          TARGET: ${{ matrix.images }}
+          PRODUCT_EDITION: ${{ matrix.edition }}
         run: |
           set -eux
-          VERSION=${{ github.event.inputs.tag }}
-          RELEASE_NUMBER=${{ github.event.inputs.release_number }}
           export PULL_TAG=${VERSION%.*}.${RELEASE_NUMBER}
-          export PRODUCT_EDITION=${{ matrix.edition }}
           export TAG=${VERSION%.*}.${RELEASE_NUMBER}
-          docker buildx bake -f docker-bake.hcl ${{ matrix.images }} --push
+          docker buildx bake -f docker-bake.hcl "${TARGET}" --push
         shell: bash
 
   build-ucs-ubuntu20:
@@ -122,15 +124,15 @@ jobs:
           password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
 
       - name: build UCS
+        env:
+          PACKAGE_BASEURL: ${{ secrets.REPO_BASEURL }}
+          PRODUCT_EDITION: ${{ matrix.edition }}
         run: |
            set -eux
-           VERSION=${{ github.event.inputs.tag }}
-           RELEASE_NUMBER=${{ github.event.inputs.release_number }}
-           export PRODUCT_EDITION=${{ matrix.edition }}
-           export PACKAGE_BASEURL=${{ secrets.REPO_BASEURL }}
            export DOCKERFILE=Dockerfile
            export BASE_VERSION=20.04
            export PG_VERSION=12
+           export PACKAGE_SUFFIX=
            export TAG=${VERSION%.*}.${RELEASE_NUMBER}
            export PACKAGE_VERSION=$( echo ${VERSION} |  sed -E 's/(.*)\./\1-/')
            docker buildx bake -f docker-bake.hcl documentserver-ucs --push
diff --git a/Dockerfile b/Dockerfile
index 26d3ead..b770922 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG BASE_VERSION=22.04
+ARG BASE_VERSION=24.04
 
 ARG BASE_IMAGE=ubuntu:$BASE_VERSION
 
@@ -6,10 +6,14 @@ FROM ${BASE_IMAGE} AS documentserver
 LABEL maintainer Ascensio System SIA <support@onlyoffice.com>
 
 ARG BASE_VERSION
-ARG PG_VERSION=14
+
+ARG PG_VERSION=16
+ARG PACKAGE_SUFFIX=t64
+
 ARG OOU_VERSION_MAJOR=8.2.2
 ARG OOU_BUILD=1
 
+
 ENV OC_RELEASE_NUM=21
 ENV OC_RU_VER=12
 ENV OC_RU_REVISION_VER=0
@@ -27,8 +31,10 @@ ARG ONLYOFFICE_VALUE=onlyoffice
 RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
     apt-get -y update && \
     apt-get -yq install wget apt-transport-https gnupg locales lsb-release && \
-    wget -q -O /etc/apt/sources.list.d/mssql-release.list https://packages.microsoft.com/config/ubuntu/$BASE_VERSION/prod.list && \
-    wget -q -O - https://packages.microsoft.com/keys/microsoft.asc | apt-key add - && \
+    wget -q -O /etc/apt/sources.list.d/mssql-release.list "https://packages.microsoft.com/config/ubuntu/$BASE_VERSION/prod.list" && \
+    wget -q -O /tmp/microsoft.asc https://packages.microsoft.com/keys/microsoft.asc && \
+    apt-key add /tmp/microsoft.asc && \
+    gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg < /tmp/microsoft.asc && \
     apt-get -y update && \
     locale-gen en_US.UTF-8 && \
     echo ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true | debconf-set-selections && \
@@ -40,8 +46,8 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
         cron \
         curl \
         htop \
-        libaio1 \
-        libasound2 \
+        libaio1${PACKAGE_SUFFIX} \
+        libasound2${PACKAGE_SUFFIX} \
         libboost-regex-dev \
         libcairo2 \
         libcurl3-gnutls \
@@ -71,7 +77,8 @@ RUN echo "#!/bin/sh\nexit 0" > /usr/sbin/policy-rc.d && \
         unzip \
         xvfb \
         xxd \
-        zlib1g && \
+        zlib1g || dpkg --configure -a && \
+    # Added dpkg --configure -a to handle installation issues with rabbitmq-server on arm64 architecture
     if [  $(ls -l /usr/share/fonts/truetype/msttcorefonts | wc -l) -ne 61 ]; \
         then echo 'msttcorefonts failed to download'; exit 1; fi  && \
     echo "SERVER_ADDITIONAL_ERL_ARGS=\"+S 1:1\"" | tee -a /etc/rabbitmq/rabbitmq-env.conf && \
diff --git a/cluster.yml b/cluster.yml
deleted file mode 100644
index 0cb07c1..0000000
--- a/cluster.yml
+++ /dev/null
@@ -1,108 +0,0 @@
-version: '2.1'
-
-x-ds-image:
-  &ds-image
-  ${COMPANY_NAME:-onlyoffice}/${PRODUCT_NAME:-documentserver-de}:${PRODUCT_VERSION:-latest}
-
-services:
-  onlyoffice-documentserver-data:  
-    container_name: onlyoffice-documentserver-data
-    image: *ds-image
-    environment:
-      - ONLYOFFICE_DATA_CONTAINER=true
-      - DB_HOST=onlyoffice-postgresql
-      - DB_PORT=5432
-      - DB_NAME=onlyoffice
-      - DB_USER=onlyoffice
-      - AMQP_URI=amqp://guest:guest@onlyoffice-rabbitmq
-      - REDIS_SERVER_HOST=onlyoffice-redis
-      - REDIS_SERVER_PORT=6379
-      # Uncomment strings below to enable the JSON Web Token validation.
-      #- JWT_ENABLED=true
-      #- JWT_SECRET=secret
-      #- JWT_HEADER=Authorization
-      #- JWT_IN_BODY=true
-    stdin_open: true
-    restart: always
-    volumes:
-       - /etc/onlyoffice
-       - /var/www/onlyoffice/Data
-       - /var/log/onlyoffice
-       - /var/lib/onlyoffice/documentserver/App_Data/cache/files
-       - /var/www/onlyoffice/documentserver-example/public/files
-       - /usr/share/fonts
-       
-  onlyoffice-documentserver:
-    image: *ds-image
-    depends_on:
-      - onlyoffice-documentserver-data
-      - onlyoffice-postgresql
-      - onlyoffice-redis
-      - onlyoffice-rabbitmq
-    environment:
-      - ONLYOFFICE_DATA_CONTAINER_HOST=onlyoffice-documentserver-data
-      - BALANCE=uri depth 3
-      - EXCLUDE_PORTS=443
-      - HTTP_CHECK=GET /healthcheck
-      - EXTRA_SETTINGS=http-check expect string true
-      # Uncomment the string below to redirect HTTP request to HTTPS request.
-      #- FORCE_SSL=true
-    stdin_open: true
-    restart: always
-    expose:
-      - '80'
-    volumes_from:
-     - onlyoffice-documentserver-data
-
-  onlyoffice-haproxy:
-    container_name: onlyoffice-haproxy
-    image: dockercloud/haproxy:1.5.1
-    depends_on:
-      - onlyoffice-documentserver
-    environment:
-      - MODE=http
-      # Uncomment the string below to specify the path of ssl certificates
-      #- CERT_FOLDER=/certs/
-    stdin_open: true
-    links:
-     - onlyoffice-documentserver
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-      # Uncomment the string below to map a ssl certificate from host
-      # to the proxy container
-      #- /app/onlyoffice/DocumentServer/data/certs/onlyoffice.pem:/certs/cert1.pem
-    restart: always
-    ports:
-      - '80:80'
-      - '443:443'
-      - '1936:1936'
-       
-  onlyoffice-redis:
-    container_name: onlyoffice-redis
-    image: redis
-    restart: always
-    expose:
-      - '6379'
-
-  onlyoffice-rabbitmq:
-    container_name: onlyoffice-rabbitmq
-    image: rabbitmq
-    restart: always
-    expose:
-      - '5672'
-
-  onlyoffice-postgresql:
-    container_name: onlyoffice-postgresql
-    image: postgres:9.5
-    environment:
-      - POSTGRES_DB=onlyoffice
-      - POSTGRES_USER=onlyoffice
-      - POSTGRES_HOST_AUTH_METHOD=trust
-    restart: always
-    expose:
-      - '5432'
-    volumes:
-      - postgresql_data:/var/lib/postgresql
-
-volumes:
-  postgresql_data:
diff --git a/tests/README.md b/tests/README.md
new file mode 100644
index 0000000..c17b546
--- /dev/null
+++ b/tests/README.md
@@ -0,0 +1,3 @@
+The files in this folder are intended for use in integration auto-tests.
+
+All credentials are strictly for testing purposes only.
\ No newline at end of file