diff --git a/Makefile b/Makefile
index dfeb4267c..876a9245a 100644
--- a/Makefile
+++ b/Makefile
@@ -74,8 +74,6 @@ PORTAL_PATH=$(BUILDPATH)/src/portal
 CHECKENVCMD=checkenv.sh
 
 # parameters
-# default is true
-BUILD_PG96=true
 REGISTRYSERVER=
 REGISTRYPROJECTNAME=goharbor
 DEVFLAG=true
@@ -438,7 +436,7 @@ build:
 	 -e TRIVY_DOWNLOAD_URL=$(TRIVY_DOWNLOAD_URL) -e TRIVY_ADAPTER_DOWNLOAD_URL=$(TRIVY_ADAPTER_DOWNLOAD_URL) \
 	 -e PULL_BASE_FROM_DOCKERHUB=$(PULL_BASE_FROM_DOCKERHUB) -e BUILD_BASE=$(BUILD_BASE) \
 	 -e REGISTRYUSER=$(REGISTRYUSER) -e REGISTRYPASSWORD=$(REGISTRYPASSWORD) \
-	 -e PUSHBASEIMAGE=$(PUSHBASEIMAGE) -e BUILD_PG96=$(BUILD_PG96)
+	 -e PUSHBASEIMAGE=$(PUSHBASEIMAGE)
 
 build_standalone_db_migrator: compile_standalone_db_migrator
 	make -f $(MAKEFILEPATH_PHOTON)/Makefile _build_standalone_db_migrator -e BASEIMAGETAG=$(BASEIMAGETAG) -e VERSIONTAG=$(VERSIONTAG)
@@ -452,25 +450,12 @@ build_base_docker:
 	@for name in $(BUILDBASETARGET); do \
 		echo $$name ; \
 		sleep 30 ; \
-		if [ $$name == "db" ]; then \
-		    make _build_base_db ; \
-		else \
-			$(DOCKERBUILD) --build-arg BUILD_PG96=$(BUILD_PG96) --pull --no-cache -f $(MAKEFILEPATH_PHOTON)/$$name/Dockerfile.base -t $(BASEIMAGENAMESPACE)/harbor-$$name-base:$(BASEIMAGETAG) --label base-build-date=$(date +"%Y%m%d") . ; \
-		fi ; \
+		$(DOCKERBUILD) --pull --no-cache -f $(MAKEFILEPATH_PHOTON)/$$name/Dockerfile.base -t $(BASEIMAGENAMESPACE)/harbor-$$name-base:$(BASEIMAGETAG) --label base-build-date=$(date +"%Y%m%d") . ; \
 		if [ "$(PUSHBASEIMAGE)" != "false" ] ; then \
 			$(PUSHSCRIPTPATH)/$(PUSHSCRIPTNAME) $(BASEIMAGENAMESPACE)/harbor-$$name-base:$(BASEIMAGETAG) $(REGISTRYUSER) $(REGISTRYPASSWORD) || exit 1; \
 		fi ; \
 	done
 
-_build_base_db:
-	@if [ "$(BUILD_PG96)" = "true" ] ; then \
-		echo "build pg96 rpm package." ; \
-		cd $(MAKEFILEPATH_PHOTON)/db && $(MAKEFILEPATH_PHOTON)/db/rpm_builder.sh && cd - ; \
-		$(DOCKERBUILD) --pull --no-cache -f $(MAKEFILEPATH_PHOTON)/db/Dockerfile.pg96 -t $(BASEIMAGENAMESPACE)/harbor-db-base:$(BASEIMAGETAG) --label base-build-date=$(date +"%Y%m%d") . ; \
-  	else \
- 		$(DOCKERBUILD) --pull --no-cache -f $(MAKEFILEPATH_PHOTON)/db/Dockerfile.base -t $(BASEIMAGENAMESPACE)/harbor-db-base:$(BASEIMAGETAG) --label base-build-date=$(date +"%Y%m%d") . ; \
-  	fi
-
 pull_base_docker:
 	@for name in $(BUILDBASETARGET); do \
 		echo $$name ; \
diff --git a/VERSION b/VERSION
index 873ca0fa6..5c9dc9d02 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-v2.7.0
+v2.7.0
\ No newline at end of file
diff --git a/make/photon/Makefile b/make/photon/Makefile
index 0af67b356..3a3ddab91 100644
--- a/make/photon/Makefile
+++ b/make/photon/Makefile
@@ -277,13 +277,7 @@ define _build_base
 		else \
 			echo "No docker credentials provided, please be aware of priviledges to access docker hub!" ; \
 		fi ;\
-		if [ "$(1)" = "db" ] && [ "$(BUILD_PG96)" = "true" ]; then \
-			echo "build pg96 rpm package." ; \
-			cd $(DOCKERFILEPATH)/db && $(DOCKERFILEPATH)/db/rpm_builder.sh && cd - ; \
-			$(DOCKERBUILD) --pull --no-cache -f $(DOCKERFILEPATH)/db/Dockerfile.pg96 -t $(BASEIMAGENAMESPACE)/harbor-db-base:$(BASEIMAGETAG) --label base-build-date=$(TIMESTAMP) . ; \
-		else \
-			$(DOCKERBUILD) -f $(2)/Dockerfile.base -t $(BASEIMAGENAMESPACE)/harbor-$(1)-base:$(BASEIMAGETAG) --label base-build-date=$(TIMESTAMP) . ;\
-		fi ;\
+		$(DOCKERBUILD) -f $(2)/Dockerfile.base -t $(BASEIMAGENAMESPACE)/harbor-$(1)-base:$(BASEIMAGETAG) --label base-build-date=$(TIMESTAMP) . ;\
 		if [ "$(PUSHBASEIMAGE)" = "true" ] ; then \
 			$(PUSHSCRIPTPATH)/$(PUSHSCRIPTNAME) $(BASEIMAGENAMESPACE)/harbor-$(1)-base:$(BASEIMAGETAG) $(REGISTRYUSER) $(REGISTRYPASSWORD) docker.io $(PULL_BASE_FROM_DOCKERHUB) || exit 1; \
 		fi ; \
diff --git a/make/photon/db/Dockerfile b/make/photon/db/Dockerfile
index 54d5e1c91..a7b2298e4 100644
--- a/make/photon/db/Dockerfile
+++ b/make/photon/db/Dockerfile
@@ -14,7 +14,7 @@ COPY ./make/photon/db/initial-registry.sql /docker-entrypoint-initdb.d/
 RUN chown -R postgres:postgres /docker-entrypoint.sh /docker-healthcheck.sh /docker-entrypoint-initdb.d \
     && chmod u+x /docker-entrypoint.sh /docker-healthcheck.sh
 
-ENTRYPOINT ["/docker-entrypoint.sh", "96", "13"]
+ENTRYPOINT ["/docker-entrypoint.sh", "", "13"]
 HEALTHCHECK CMD ["/docker-healthcheck.sh"]
 
-USER postgres
+USER postgres
\ No newline at end of file
diff --git a/make/photon/db/Dockerfile.pg96 b/make/photon/db/Dockerfile.pg96
deleted file mode 100644
index 00d65be39..000000000
--- a/make/photon/db/Dockerfile.pg96
+++ /dev/null
@@ -1,23 +0,0 @@
-FROM photon:4.0
-
-ENV PGDATA /var/lib/postgresql/data
-
-COPY ./make/photon/db/postgresql96-libs-9.6.21-1.ph4.x86_64.rpm /pg96/
-COPY ./make/photon/db/postgresql96-9.6.21-1.ph4.x86_64.rpm /pg96/
-
-RUN tdnf install -y /pg96/postgresql96-libs-9.6.21-1.ph4.x86_64.rpm /pg96/postgresql96-9.6.21-1.ph4.x86_64.rpm >> /dev/null \
-    && rm -rf /pg96 \
-    && tdnf install -y shadow gzip postgresql13 findutils bc >> /dev/null \
-    && groupadd -r postgres --gid=999 \
-    && useradd -m -r -g postgres --uid=999 postgres \
-    && mkdir -p /docker-entrypoint-initdb.d \
-    && mkdir -p /run/postgresql \
-    && chown -R postgres:postgres /run/postgresql \
-    && chmod 2777 /run/postgresql \
-    && mkdir -p "$PGDATA" && chown -R postgres:postgres "$PGDATA" && chmod 777 "$PGDATA" \
-    && sed -i "s|#listen_addresses = 'localhost'.*|listen_addresses = '*'|g" /usr/pgsql/13/share/postgresql.conf.sample \
-    && sed -i "s|#unix_socket_directories = '/tmp'.*|unix_socket_directories = '/run/postgresql'|g" /usr/pgsql/13/share/postgresql.conf.sample \
-    && ln -s /usr/pgsql/13/bin/* /usr/bin/ \
-    && tdnf clean all
-
-RUN tdnf erase -y toybox && tdnf install -y util-linux net-tools
\ No newline at end of file
diff --git a/make/photon/db/docker-entrypoint.sh b/make/photon/db/docker-entrypoint.sh
index ab3a1a958..57b047787 100644
--- a/make/photon/db/docker-entrypoint.sh
+++ b/make/photon/db/docker-entrypoint.sh
@@ -7,26 +7,34 @@ CUR=$PWD
 PG_VERSION_OLD=$1
 PG_VERSION_NEW=$2
 
-PGBINOLD="/usr/local/pg${PG_VERSION_OLD}/bin"
+PGBINOLD="/usr/pgsql/${PG_VERSION_OLD}/bin"
 
 PGDATAOLD=${PGDATA}/pg${PG_VERSION_OLD}
 PGDATANEW=${PGDATA}/pg${PG_VERSION_NEW}
-# to handle the PG 9.6 only
+
+# We should block the upgrade path from 9.6 directly.
 if [ -s $PGDATA/PG_VERSION ]; then
-         PGDATAOLD=$PGDATA
+        echo "Upgrading from PostgreSQL 9.6 to PostgreSQL $PG_VERSION_NEW is not supported in the current Harbor release."             
+        echo "You should upgrade to previous Harbor firstly, then upgrade to current release."
+        exit 1
 fi
 
-#
-# Init DB: $PGDATA is empty.
-# Upgrade DB: 1, has $PGDATA\PG_VERSION. 2, has pg old version directory with PG_VERSION inside.
-#
-if [ "$(ls -A $PGDATA)" ]; then
-        if [ ! -d $PGDATANEW ]; then
-                if [ ! -d $PGDATAOLD ] || [ ! -s $PGDATAOLD/PG_VERSION ]; then
-                        echo "incorrect data: $PGDATAOLD, make sure $PGDATAOLD is not empty and with PG_VERSION inside."
-                        exit 1
-                fi
-
+# Upgrade DB: 1. PG_NEW\PG_VERSION file doesn’t exist and pg_old_parameter is not nil and PG_OLD\PG_VERSION file exist.
+#             For example: ["13", "14"]
+#             In harbor v2.8, Harbor 2.7 was installed before, db version was 13,
+#             It needs to upgrade the database from pg 13 to pg 14,
+#             ["13", "14"] means support for upgrading from pg 13 to pg 14.
+# Init DB:    1. PG_NEW\PG_VERSION file doesn’t exist and pg_old_parameter is not nil and PG_OLD\PG_VERSION file doesn’t exist.
+#             For example: ["13", "14"]
+#             In harbor v2.8, the first time installation, it needs to init the db for pg 14,
+#             ["13", "14"] means support for upgrading from pg 13 to pg 14.
+#             2. PG_NEW\PG_VERSION file doesn’t exist and pg_old_parameter is nil.
+#             For example: ["", "14"]
+#             In harbor v2.8, the first time installation, it needs to init the db for pg 14,
+#             ["", "14"] means db upgrade is not supported.
+if [ ! -s $PGDATANEW/PG_VERSION ]; then
+        if [ ! -z $PG_VERSION_OLD ] && [ -s $PGDATAOLD/PG_VERSION ]; then
+                echo "upgrade DB from $PG_VERSION_OLD to $PG_VERSION_NEW"
                 initPG $PGDATANEW false
                 set +e
                 # In some cases, like helm upgrade, the postgresql may not quit cleanly.
@@ -39,22 +47,17 @@ if [ "$(ls -A $PGDATA)" ]; then
                 ./$CUR/upgrade.sh --old-bindir $PGBINOLD --old-datadir $PGDATAOLD --new-datadir $PGDATANEW
                 # it needs to clean the $PGDATANEW on upgrade failure
                 if [ $? -ne 0 ]; then
-                        echo "remove the $PGDATANEW after fail to upgrade"
+                        echo "remove the $PGDATANEW after fail to upgrade."
                         rm -rf $PGDATANEW
                         exit 1
                 fi
                 set -e
                 echo "remove the $PGDATAOLD after upgrade success."
-                if [ "$PGDATAOLD" = "$PGDATA" ]; then
-                        find $PGDATA/* -prune ! -name pg${PG_VERSION_NEW} -exec rm -rf {} \;
-                else
-                        rm -rf $PGDATAOLD
-                fi
+                rm -rf $PGDATAOLD
         else
-                echo "no need to upgrade postgres, launch it."
+                echo "init DB, DB version:$PG_VERSION_NEW"
+                initPG $PGDATANEW true 
         fi
-else
-        initPG $PGDATANEW true
 fi
 
 POSTGRES_PARAMETER=''
diff --git a/make/photon/db/postgres.spec b/make/photon/db/postgres.spec
deleted file mode 100644
index 12a8a268a..000000000
--- a/make/photon/db/postgres.spec
+++ /dev/null
@@ -1,168 +0,0 @@
-Summary:        PostgreSQL database engine
-Name:           postgresql96
-Version:        9.6.21
-Release:        1%{?dist}
-License:        PostgreSQL
-URL:            www.postgresql.org
-Group:          Applications/Databases
-Vendor:         VMware, Inc.
-Distribution:   Photon
-
-Source0:        http://ftp.postgresql.org/pub/source/v%{version}/%{name}-%{version}.tar.bz2
-%define sha1    postgresql=e24333824d361968958613f546ae06011d9d1dfc
-
-# Customized location of pg96
-%global pgbaseinstdir   /usr/local/pg96
-
-# Common libraries needed
-BuildRequires:  krb5-devel
-BuildRequires:  libxml2-devel
-BuildRequires:  openldap
-BuildRequires:  perl
-BuildRequires:  readline-devel
-BuildRequires:  openssl-devel
-BuildRequires:  zlib-devel
-BuildRequires:  tzdata
-BuildRequires:  bzip2
-BuildRequires:  sudo
-Requires:       krb5
-Requires:       libxml2
-Requires:       openldap
-Requires:       openssl
-Requires:       readline
-Requires:       zlib
-Requires:       tzdata
-Requires:       bzip2
-Requires:       sudo
-
-Requires:   %{name}-libs = %{version}-%{release}
-
-%description
-PostgreSQL is an object-relational database management system.
-
-%package libs
-Summary:    Libraries for use with PostgreSQL
-Group:      Applications/Databases
-
-%description libs
-The postgresql-libs package provides the essential shared libraries for any
-PostgreSQL client program or interface. You will need to install this package
-to use any other PostgreSQL package or any clients that need to connect to a
-PostgreSQL server.
-
-%package        devel
-Summary:        Development files for postgresql.
-Group:          Development/Libraries
-Requires:       postgresql = %{version}-%{release}
-
-%description    devel
-The postgresql-devel package contains libraries and header files for
-developing applications that use postgresql.
-
-%prep
-%setup -q
-
-%build
-ls -la
-sed -i '/DEFAULT_PGSOCKET_DIR/s@/tmp@/run/postgresql@' src/include/pg_config_manual.h &&
-./configure \
-    --prefix=%{pgbaseinstdir} \
-    --with-includes=%{pgbaseinstdir}/include \
-    --with-libraries=%{pgbaseinstdir}/lib \
-    --datarootdir=%{pgbaseinstdir}/share \
-    --enable-thread-safety \
-    --with-ldap \
-    --with-libxml \
-    --with-openssl \
-    --with-gssapi \
-    --with-readline \
-    --with-system-tzdata=%{_datadir}/zoneinfo \
-    --docdir=%{pgbaseinstdir}/doc/postgresql
-make %{?_smp_mflags}
-cd contrib && make %{?_smp_mflags}
-
-%install
-[ %{buildroot} != "/"] && rm -rf %{buildroot}/*
-make install DESTDIR=%{buildroot}
-cd contrib && make install DESTDIR=%{buildroot}
-
-%{_fixperms} %{buildroot}/*
-
-%check
-sed -i '2219s/",/  ; EXIT_STATUS=$? ; sleep 5 ; exit $EXIT_STATUS",/g'  src/test/regress/pg_regress.c
-chown -Rv nobody .
-sudo -u nobody -s /bin/bash -c "PATH=$PATH make -k check"
-
-%post   -p /sbin/ldconfig
-%postun -p /sbin/ldconfig
-%clean
-rm -rf %{buildroot}/*
-
-%files
-%defattr(-,root,root)
-%{pgbaseinstdir}/bin/initdb
-%{pgbaseinstdir}/bin/oid2name
-%{pgbaseinstdir}/bin/pg_archivecleanup
-%{pgbaseinstdir}/bin/pg_basebackup
-%{pgbaseinstdir}/bin/pg_controldata
-%{pgbaseinstdir}/bin/pg_ctl
-%{pgbaseinstdir}/bin/pg_receivexlog
-%{pgbaseinstdir}/bin/pg_recvlogical
-%{pgbaseinstdir}/bin/pg_resetxlog
-%{pgbaseinstdir}/bin/pg_rewind
-%{pgbaseinstdir}/bin/pg_standby
-%{pgbaseinstdir}/bin/pg_test_fsync
-%{pgbaseinstdir}/bin/pg_test_timing
-%{pgbaseinstdir}/bin/pg_upgrade
-%{pgbaseinstdir}/bin/pg_xlogdump
-%{pgbaseinstdir}/bin/pgbench
-%{pgbaseinstdir}/bin/postgres
-%{pgbaseinstdir}/bin/postmaster
-%{pgbaseinstdir}/bin/vacuumlo
-%{pgbaseinstdir}/share/postgresql/*
-%{pgbaseinstdir}/lib/postgresql/*
-%{pgbaseinstdir}/doc/postgresql/extension/*.example
-%exclude %{pgbaseinstdir}/share/postgresql/pg_service.conf.sample
-%exclude %{pgbaseinstdir}/share/postgresql/psqlrc.sample
-
-%files libs
-%{pgbaseinstdir}/bin/clusterdb
-%{pgbaseinstdir}/bin/createdb
-%{pgbaseinstdir}/bin/createlang
-%{pgbaseinstdir}/bin/createuser
-%{pgbaseinstdir}/bin/dropdb
-%{pgbaseinstdir}/bin/droplang
-%{pgbaseinstdir}/bin/dropuser
-%{pgbaseinstdir}/bin/ecpg
-%{pgbaseinstdir}/bin/pg_config
-%{pgbaseinstdir}/bin/pg_dump
-%{pgbaseinstdir}/bin/pg_dumpall
-%{pgbaseinstdir}/bin/pg_isready
-%{pgbaseinstdir}/bin/pg_restore
-%{pgbaseinstdir}/bin/psql
-%{pgbaseinstdir}/bin/reindexdb
-%{pgbaseinstdir}/bin/vacuumdb
-%{pgbaseinstdir}/lib/libecpg*.so.*
-%{pgbaseinstdir}/lib/libpgtypes*.so.*
-%{pgbaseinstdir}/lib/libpq*.so.*
-%{pgbaseinstdir}/share/postgresql/pg_service.conf.sample
-%{pgbaseinstdir}/share/postgresql/psqlrc.sample
-
-%files devel
-%defattr(-,root,root)
-%{pgbaseinstdir}/include/*
-%{pgbaseinstdir}/lib/pkgconfig/*
-%{pgbaseinstdir}/lib/libecpg*.so
-%{pgbaseinstdir}/lib/libpgtypes*.so
-%{pgbaseinstdir}/lib/libpq*.so
-%{pgbaseinstdir}/lib/libpgcommon.a
-%{pgbaseinstdir}/lib/libpgfeutils.a
-%{pgbaseinstdir}/lib/libpgport.a
-%{pgbaseinstdir}/lib/libpq.a
-%{pgbaseinstdir}/lib/libecpg.a
-%{pgbaseinstdir}/lib/libecpg_compat.a
-%{pgbaseinstdir}/lib/libpgtypes.a
-
-%changelog
-*   Yan Wang <wangyan@vmware.com>
--   Customize postgres 96 from original spec
diff --git a/make/photon/db/rpm_builder.sh b/make/photon/db/rpm_builder.sh
deleted file mode 100755
index 71b785bd9..000000000
--- a/make/photon/db/rpm_builder.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/bin/bash
-
-set -e
-
-name='postgresql'
-version='9.6.21'
-
-function checkdep {
-	if ! wget --version &> /dev/null
-	then
-		echo "Need to install wget first and run this script again."
-		exit 1
-	fi
-
-	if ! [ -x "$(command -v bzip2)" ]
-	then
-		echo "Need to install bzip2 first and run this script again."
-		exit 1
-	fi
-}
-
-checkdep
-
-cur=$PWD
-workDir=`mktemp -d ${TMPDIR-/tmp}/$name.XXXXXX`
-mkdir -p $workDir && cd $workDir
-
-# step 1: get source code of pg 9.6, and rename the code directory from postgres to postgres96
-wget http://ftp.postgresql.org/pub/source/v$version/$name-$version.tar.bz2
-bzip2 -d ./$name-$version.tar.bz2 && tar -xvf ./$name-$version.tar
-mkdir -p ${name}96-$version && cp -r ./$name-$version/* ./${name}96-$version/ && rm -rf ./$name-$version
-tar -cvjSf ${name}96-$version.tar.bz2 ${name}96-$version
-
-# step 2: get spec builder script, and replace version to 4, then to build the pg96 rpm packages
-wget https://raw.githubusercontent.com/vmware/photon/4.0/tools/scripts/build_spec.sh
-sed "s|VERSION=3|VERSION=4|g" -i build_spec.sh
-chmod 655 ./build_spec.sh && cp $cur/postgres.spec .
-./build_spec.sh ./postgres.spec
-cp ./stage/RPMS/x86_64/${name}96-libs-$version-1.ph4.x86_64.rpm $cur
-cp ./stage/RPMS/x86_64/${name}96-$version-1.ph4.x86_64.rpm $cur
-
-# clean
-cd $cur && rm -rf $workDir
diff --git a/make/photon/db/upgrade.sh b/make/photon/db/upgrade.sh
index 2a91bcf02..70b54add1 100755
--- a/make/photon/db/upgrade.sh
+++ b/make/photon/db/upgrade.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-PGBINOLD="/usr/local/pg96/bin/"
+PGBINOLD=""
 PGBINNEW="/usr/bin"
 PGDATAOLD=""
 PGDATANEW=""