diff --git a/packages/twenty-postgres/linux/provision-postgres-linux.sh b/packages/twenty-postgres/linux/provision-postgres-linux.sh
index 0652e3bda34e..73522b9ffeb3 100755
--- a/packages/twenty-postgres/linux/provision-postgres-linux.sh
+++ b/packages/twenty-postgres/linux/provision-postgres-linux.sh
@@ -20,7 +20,7 @@ handle_error () {
     exit 1
 }
 
-read -p "This script uses sudo to install postgresql, curl and change different settings, do you want to run this script? [y/N]" AGREEMENT
+read -p "This script uses sudo to install PostgreSQL, curl, and configure the system. Do you want to run this script? [y/N] " AGREEMENT
 
 if ! echo "$AGREEMENT" | grep -iq "^y"; then
   exit 1
@@ -55,28 +55,68 @@ echo_header $BLUE "                    DATABASE SETUP"
 
 PG_MAIN_VERSION=15
 PG_GRAPHQL_VERSION=1.5.6
-TARGETARCH=$(dpkg --print-architecture)
-
-# Install PostgresSQL
-echo_header $GREEN "Step [1/4]: Installing PostgreSQL..."
-sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
-wget -qO- https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo tee /etc/apt/trusted.gpg.d/pgdg.asc &>/dev/null
-sudo apt update -y || handle_error "Failed to update package list."
-sudo apt install -y postgresql-$PG_MAIN_VERSION postgresql-contrib-$PG_MAIN_VERSION || handle_error "Failed to install PostgreSQL."
-sudo apt install -y curl || handle_error "Failed to install curl."
-
-# Install pg_graphql extensions
-echo_header $GREEN "Step [2/4]: Installing GraphQL for PostgreSQL..."
-curl -L https://github.com/supabase/pg_graphql/releases/download/v$PG_GRAPHQL_VERSION/pg_graphql-v$PG_GRAPHQL_VERSION-pg$PG_MAIN_VERSION-$TARGETARCH-linux-gnu.deb -o pg_graphql.deb || handle_error "Failed to download pg_graphql package."
-sudo dpkg --install pg_graphql.deb || handle_error "Failed to install pg_graphql package."
-rm pg_graphql.deb
-
-# Start postgresql service
-echo_header $GREEN "Step [3/4]: Starting PostgreSQL service..."
-if sudo service postgresql start; then
-    echo "PostgreSQL service started successfully."
+
+if command -v dpkg &> /dev/null; then
+    TARGETARCH=$(dpkg --print-architecture)
+else
+    TARGETARCH=$(uname -m)
+fi
+
+# Detect package manager and set up PostgreSQL and curl
+if command -v dpkg &> /dev/null; then
+    PACKAGE_MANAGER="dpkg"
+elif command -v pacman &> /dev/null; then
+    PACKAGE_MANAGER="pacman"
 else
-    handle_error "Failed to start PostgreSQL service."
+    handle_error "Unsupported package manager. This script only supports dpkg and pacman."
+fi
+
+# Installation for Debian/Ubuntu
+if [ "$PACKAGE_MANAGER" = "dpkg" ]; then
+    echo_header $GREEN "Step [1/4]: Installing PostgreSQL on Debian/Ubuntu..."
+    sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+    wget -qO- https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo tee /etc/apt/trusted.gpg.d/pgdg.asc &>/dev/null
+    sudo apt update -y || handle_error "Failed to update package list."
+    sudo apt install -y postgresql-$PG_MAIN_VERSION postgresql-contrib-$PG_MAIN_VERSION curl || handle_error "Failed to install PostgreSQL or curl."
+
+    echo_header $GREEN "Step [2/4]: Installing GraphQL for PostgreSQL on Debian/Ubuntu..."
+    curl -L https://github.com/supabase/pg_graphql/releases/download/v$PG_GRAPHQL_VERSION/pg_graphql-v$PG_GRAPHQL_VERSION-pg$PG_MAIN_VERSION-$TARGETARCH-linux-gnu.deb -o pg_graphql.deb || handle_error "Failed to download pg_graphql package."
+    sudo dpkg --install pg_graphql.deb || handle_error "Failed to install pg_graphql package."
+    rm pg_graphql.deb
+
+    echo_header $GREEN "Step [3/4]: Starting PostgreSQL service..."
+    if sudo service postgresql start; then
+        echo "PostgreSQL service started successfully."
+    else
+        handle_error "Failed to start PostgreSQL service."
+    fi
+
+# Installation for Arch
+elif [ "$PACKAGE_MANAGER" = "pacman" ]; then
+    echo_header $GREEN "Step [1/4]: Installing PostgreSQL on Arch..."
+    sudo pacman -Syu --noconfirm || handle_error "Failed to update package list."
+    sudo pacman -S postgresql postgresql-libs curl --noconfirm || handle_error "Failed to install PostgreSQL or curl."
+
+    echo_header $GREEN "Step [2/4]: Installing GraphQL for PostgreSQL on Arch..."
+    if ! yay -S --noconfirm pg_graphql; then
+        handle_error "Failed to install pg_graphql package from AUR."
+    fi
+
+    echo_header $GREEN "Step [3/4]: Initializing and starting PostgreSQL service..."
+    if sudo -u postgres sh -c 'test "$(ls -A /var/lib/postgres/data 2>/dev/null)"'; then
+        echo "PostgreSQL data directory already contains data. Skipping initdb."
+    else
+    sudo -iu postgres initdb --locale en_US.UTF-8 -D /var/lib/postgres/data || handle_error "Failed to initialize PostgreSQL database."
+    fi
+
+    if [ "$(ps -p 1 -o comm=)" = "systemd" ]; then
+        sudo systemctl enable postgresql
+        sudo systemctl start postgresql || handle_error "Failed to start PostgreSQL service."
+    else
+        sudo mkdir -p /run/postgresql
+        sudo chown postgres:postgres /run/postgresql
+        sudo -iu postgres pg_ctl -D /var/lib/postgres/data -l /var/lib/postgres/logfile start || handle_error "Failed to start PostgreSQL service."
+    fi
 fi
 
 # Run the init.sql to setup database