diff --git a/Earthfile b/Earthfile
index 17074e9..0407a9f 100644
--- a/Earthfile
+++ b/Earthfile
@@ -244,6 +244,13 @@ base-image:
         install marmot -o root -g root -m 755 /opt/spectrocloud/bin/ && \
         rm -f marmot \
         curl -sL https://github.com/k3s-io/kine/releases/download/v${KINE_VERSION}/kine-amd64 | install -m 755 /dev/stdin /opt/spectrocloud/bin/kine
+		IF [ TWO_NODE_BACKEND = "postgres" ]
+			IF [ $OS_DISTRIBUTION = "ubuntu" ]
+				ARG PG_CONF_DIR=/etc/postgresql/16/main/
+			ELSE IF [ $OS_DISTRIBUTION =  "opensuse-leap" ]
+			    ARG PG_CONF_DIR=/var/lib/pgsql/data/
+			END
+		END
     END
 
     IF [ "$OS_DISTRIBUTION" = "ubuntu" ] &&  [ "$ARCH" = "amd64" ]
@@ -283,13 +290,7 @@ base-image:
                 gpg --batch --yes --dearmor -o /etc/apt/trusted.gpg.d/postgresql.gpg postgresql.asc && \
                 rm postgresql.asc && \
                 apt update && \
-                apt install -y postgresql-16 postgresql-contrib-16 iputils-ping && \
-		# prepare postgresql for replication
-		sed -i '/^#wal_level = replica/ s/#wal_level = replica/wal_level = logical/' /etc/postgresql/16/main/postgresql.conf
-		sed -i '/^#max_worker_processes = 8/ s/#max_worker_processes = 8/max_worker_processes = 16/' /etc/postgresql/16/main/postgresql.conf
-		sed -i "s/#listen_addresses = 'localhost'/listen_addresses = '*'/g" /etc/postgresql/16/main/postgresql.conf
-		echo "host all all 0.0.0.0/0 md5" | sudo tee -a /etc/postgresql/16/main/pg_hba.conf
-                systemctl enable postgresql
+                apt install -y postgresql-16 postgresql-contrib-16 iputils-ping
             END
         END
             
@@ -322,11 +323,6 @@ base-image:
                     RUN zypper --non-interactive --quiet addrepo --refresh -p 90  http://download.opensuse.org/repositories/server:database:postgresql/openSUSE_Tumbleweed/ PostgreSQL && \
                         zypper --gpg-auto-import-keys ref && \
                         zypper install -y postgresql-16 postgresql-server-16 postgresql-contrib iputils && \
-			sed -i '/^#wal_level = replica/ s/#wal_level = replica/wal_level = logical/'  /var/lib/pgsql/data/postgresql.conf
-			sed -i '/^#max_worker_processes = 8/ s/#max_worker_processes = 8/max_worker_processes = 16/' /var/lib/pgsql/data/postgresql.conf 
-			sed -i "s/#listen_addresses = 'localhost'/listen_addresses = '*'/g" /var/lib/pgsql/data/postgresql.conf
-			echo "host all all 0.0.0.0/0 md5" | sudo tee -a /var/lib/pgsql/data/pg_hba.conf
-                        systemctl enable postresql
                 END
         END
         RUN zypper install -y zstd vim
@@ -363,6 +359,14 @@ base-image:
     RUN if grep "security=selinux" /etc/cos/bootargs.cfg > /dev/null; then sed -i 's/security=selinux //g' /etc/cos/bootargs.cfg; fi &&\
         if grep "selinux=1" /etc/cos/bootargs.cfg > /dev/null; then sed -i 's/selinux=1/selinux=0/g' /etc/cos/bootargs.cfg; fi
 
+	IF $TWO_NODE	
+		sed -i '/^#wal_level = replica/ s/#wal_level = replica/wal_level = logical/' $PG_CONF_DIR/postgresql.conf
+		sed -i '/^#max_worker_processes = 8/ s/#max_worker_processes = 8/max_worker_processes = 16/' $PG_CONF_DIR/postgresql.conf 
+		sed -i "s/#listen_addresses = 'localhost'/listen_addresses = '*'/g" $PG_CONF_DIR/postgresql.conf
+		echo "host all all 0.0.0.0/0 md5" | sudo tee -a PG_CONF_DIR/pg_hba.conf
+		systemctl enable postresql
+	END
+
 # Used to build the installer image.  The installer ISO will be created from this.
 iso-image:
     FROM --platform=linux/${ARCH} +base-image