diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 491522f47..acd960b4c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -73,8 +73,6 @@ jobs:
           source .requirements
 
           # build apisix
-          make package type=rpm app=apisix openresty=apisix-runtime runtime_version=${APISIX_RUNTIME} checkout=${APISIX_TAG_VERSION} version=${APISIX_TAG_VERSION} image_base=centos image_tag=7
-          make package type=rpm app=apisix openresty=apisix-runtime runtime_version=${APISIX_RUNTIME} checkout=${APISIX_TAG_VERSION} version=${APISIX_TAG_VERSION} image_base=centos image_tag=8
           make package type=rpm app=apisix openresty=apisix-runtime runtime_version=${APISIX_RUNTIME} checkout=${APISIX_TAG_VERSION} version=${APISIX_TAG_VERSION} image_base=registry.access.redhat.com/ubi8/ubi image_tag=8.6
           mv ./output/apisix-${APISIX_TAG_VERSION}-0.{el7,el8,ubi8.6}.${ARCH}.rpm ${VAR_RPM_WORKBENCH_DIR}
           echo "TARGET_APP=apisix" >> "$GITHUB_ENV"
@@ -86,8 +84,6 @@ jobs:
         run: |
           # build apisix-base
           echo ${{ env.TAG_TYPE }} ${{ env.TAG_VERSION }}
-          make package type=rpm app=apisix-base checkout=${APISIX_BASE_TAG_VERSION} version=${APISIX_BASE_TAG_VERSION} image_base=centos image_tag=7
-          make package type=rpm app=apisix-base checkout=${APISIX_BASE_TAG_VERSION} version=${APISIX_BASE_TAG_VERSION} image_base=centos image_tag=8
           make package type=rpm app=apisix-base checkout=${APISIX_BASE_TAG_VERSION} version=${APISIX_BASE_TAG_VERSION} image_base=registry.access.redhat.com/ubi8/ubi image_tag=8.6
           mv ./output/apisix-base-${APISIX_BASE_TAG_VERSION}-0.{el7,el8,ubi8.6}.${ARCH}.rpm ${VAR_RPM_WORKBENCH_DIR}
           echo "TARGET_APP=apisix-base" >> "$GITHUB_ENV"
@@ -99,8 +95,6 @@ jobs:
         run: |
           # build apisix-runtime
           echo ${{ env.TAG_TYPE }} ${{ env.TAG_VERSION }}
-          make package type=rpm app=apisix-runtime checkout=${APISIX_RUNTIME_TAG_VERSION} version=${APISIX_RUNTIME_TAG_VERSION} image_base=centos image_tag=7
-          make package type=rpm app=apisix-runtime checkout=${APISIX_RUNTIME_TAG_VERSION} version=${APISIX_RUNTIME_TAG_VERSION} image_base=centos image_tag=8
           make package type=rpm app=apisix-runtime checkout=${APISIX_RUNTIME_TAG_VERSION} version=${APISIX_RUNTIME_TAG_VERSION} image_base=registry.access.redhat.com/ubi8/ubi image_tag=8.6
           mv ./output/apisix-runtime-${APISIX_RUNTIME_TAG_VERSION}-0.{el7,el8,ubi8.6}.${ARCH}.rpm ${VAR_RPM_WORKBENCH_DIR}
           echo "TARGET_APP=apisix-runtime" >> "$GITHUB_ENV"
@@ -111,8 +105,6 @@ jobs:
           APISIX_DASHBOARD_TAG_VERSION: ${{ env.TAG_VERSION }}
         run: |
           # build apisix dashboard
-          make package type=rpm app=dashboard checkout=${APISIX_DASHBOARD_TAG_VERSION} version=${APISIX_DASHBOARD_TAG_VERSION} image_base=centos image_tag=7
-          make package type=rpm app=dashboard checkout=${APISIX_DASHBOARD_TAG_VERSION} version=${APISIX_DASHBOARD_TAG_VERSION} image_base=centos image_tag=8
           mv ./output/apisix-dashboard-${APISIX_DASHBOARD_TAG_VERSION}-0.el{7,8}.${ARCH}.rpm ${VAR_RPM_WORKBENCH_DIR}
           echo "TARGET_APP=apisix-dashboard" >> "$GITHUB_ENV"
 
@@ -130,15 +122,6 @@ jobs:
           name: "${{ env.PACKAGE_NAME }}"
           path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
 
-      - name: Upload apisix Artifact for Centos
-        if: ${{ env.TAG_TYPE == 'apisix' }}
-        uses: actions/upload-artifact@v4.0.0
-        env:
-          PACKAGE_NAME: apisix-${{ env.TAG_VERSION }}-0.el7.${{ env.ARCH }}.rpm
-        with:
-          name: "${{ env.PACKAGE_NAME }}"
-          path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
-
       - name: Upload apisix-base Artifact for Redhat
         if: ${{ env.TAG_TYPE == 'apisix-base' }}
         uses: actions/upload-artifact@v4.0.0
@@ -148,15 +131,6 @@ jobs:
           name: "${{ env.PACKAGE_NAME }}"
           path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
 
-      - name: Upload apisix-base Artifact for Centos
-        if: ${{ env.TAG_TYPE == 'apisix-base' }}
-        uses: actions/upload-artifact@v4.0.0
-        env:
-          PACKAGE_NAME: apisix-base-${{ env.TAG_VERSION }}-0.el7.${{ env.ARCH }}.rpm
-        with:
-          name: "${{ env.PACKAGE_NAME }}"
-          path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
-
       - name: Upload apisix-runtime Artifact for Redhat
         if: ${{ env.TAG_TYPE == 'apisix-runtime' }}
         uses: actions/upload-artifact@v4.0.0
@@ -166,15 +140,6 @@ jobs:
           name: "${{ env.PACKAGE_NAME }}"
           path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
 
-      - name: Upload apisix-runtime Artifact for Centos
-        if: ${{ env.TAG_TYPE == 'apisix-runtime' }}
-        uses: actions/upload-artifact@v4.0.0
-        env:
-          PACKAGE_NAME: apisix-runtime-${{ env.TAG_VERSION }}-0.el7.${{ env.ARCH }}.rpm
-        with:
-          name: "${{ env.PACKAGE_NAME }}"
-          path: "${{ env.VAR_RPM_WORKBENCH_DIR }}/${{ env.PACKAGE_NAME }}"
-
       - name: Upload apisix-dashboard Artifact
         if: ${{ env.TAG_TYPE == 'dashboard' }}
         uses: actions/upload-artifact@v4.0.0
@@ -192,7 +157,7 @@ jobs:
           sudo pip install coscmd
           sudo -E ./utils/publish-rpm.sh init_cos_utils
 
-      - name: RPM repo init for centos and redhat
+      - name: RPM repo init for redhat
         run: |
           sudo -E ./utils/publish-rpm.sh repo_init
           sudo -E ./utils/publish-rpm.sh repo_clone
@@ -208,15 +173,15 @@ jobs:
           sudo -E ./utils/publish-rpm.sh rpm_gpg_sign
           sudo -E ./utils/publish-rpm.sh repo_package_sync
 
-      - name: RPM repo backup for centos and redhat
+      - name: RPM repo backup for redhat
         run: |
           sudo -E ./utils/publish-rpm.sh repo_backup 
 
-      - name: RPM repo refresh for centos and redhat
+      - name: RPM repo refresh for redhat
         run: |
           sudo -E ./utils/publish-rpm.sh repo_repodata_rebuild
           sudo -E ./utils/publish-rpm.sh repo_upload
 
-      - name: RPM repo publish for centos and redhat
+      - name: RPM repo publish for redhat
         run: |
           sudo -E ./utils/publish-rpm.sh repo_publish
diff --git a/Makefile b/Makefile
index a9740f4c7..ac2481012 100644
--- a/Makefile
+++ b/Makefile
@@ -19,8 +19,8 @@ version=0
 checkout=0
 app=0
 type=0
-image_base="centos"
-image_tag="7"
+image_base="registry.access.redhat.com/ubi8/ubi"
+image_tag="8.6"
 iteration=0
 local_code_path=0
 openresty="apisix-runtime"
diff --git a/build-apisix-base-debug-centos7.sh b/build-apisix-base-debug-centos7.sh
deleted file mode 100755
index 26f2289bd..000000000
--- a/build-apisix-base-debug-centos7.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-set -x
-
-yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
-yum -y install gcc gcc-c++ patch wget git make sudo
-yum -y install openresty-openssl111-debug-devel openresty-pcre-devel openresty-zlib-devel
-
-export openssl_prefix=/usr/local/openresty-debug/openssl111
-export zlib_prefix=/usr/local/openresty/zlib
-export pcre_prefix=/usr/local/openresty/pcre
-
-export cc_opt="-DNGX_LUA_USE_ASSERT -DNGX_LUA_ABORT_AT_PANIC -I${zlib_prefix}/include -I${pcre_prefix}/include -I${openssl_prefix}/include -O0"
-export ld_opt="-L${zlib_prefix}/lib -L${pcre_prefix}/lib -L${openssl_prefix}/lib -Wl,-rpath,${zlib_prefix}/lib:${pcre_prefix}/lib:${openssl_prefix}/lib"
-export luajit_xcflags="-DLUAJIT_ASSERT -DLUAJIT_NUMMODE=2 -DLUAJIT_ENABLE_LUA52COMPAT -O0"
-export OR_PREFIX=/usr/local/openresty-debug
-export debug_args=--with-debug
-
-./build-apisix-base.sh
diff --git a/build-apisix-runtime-debug-centos7.sh b/build-apisix-runtime-debug-centos7.sh
deleted file mode 100755
index 3dbb053fa..000000000
--- a/build-apisix-runtime-debug-centos7.sh
+++ /dev/null
@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-set -x
-
-yum-config-manager --add-repo https://openresty.org/package/centos/openresty.repo
-yum -y install gcc gcc-c++ patch wget git make sudo
-yum -y install openresty-pcre-devel openresty-zlib-devel
-
-export openssl_prefix=/usr/local/openresty/openssl3
-export zlib_prefix=/usr/local/openresty/zlib
-export pcre_prefix=/usr/local/openresty/pcre
-
-export cc_opt="-DNGX_LUA_USE_ASSERT -DNGX_LUA_ABORT_AT_PANIC -I${zlib_prefix}/include -I${pcre_prefix}/include -I${openssl_prefix}/include -O0"
-export ld_opt="-L${zlib_prefix}/lib -L${pcre_prefix}/lib -L${openssl_prefix}/lib -Wl,-rpath,${zlib_prefix}/lib:${pcre_prefix}/lib:${openssl_prefix}/lib"
-export luajit_xcflags="-DLUAJIT_ASSERT -DLUAJIT_NUMMODE=2 -DLUAJIT_ENABLE_LUA52COMPAT -O0"
-export OR_PREFIX=/usr/local/openresty
-export debug_args=--with-debug
-
-./build-apisix-runtime.sh latest
diff --git a/dockerfiles/Dockerfile.apisix-base.rpm b/dockerfiles/Dockerfile.apisix-base.rpm
index 6981c018a..c03be0472 100644
--- a/dockerfiles/Dockerfile.apisix-base.rpm
+++ b/dockerfiles/Dockerfile.apisix-base.rpm
@@ -1,18 +1,8 @@
-ARG IMAGE_BASE="centos"
-ARG IMAGE_TAG="7"
+ARG IMAGE_BASE="registry.access.redhat.com/ubi8/ubi"
+ARG IMAGE_TAG="8.6"
 
 FROM ${IMAGE_BASE}:${IMAGE_TAG}
 
-# Note: The duplication around the rpm series dockerfile here
-#       is used for reuse the container layer cache
-RUN if [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then \
-        sed -re "s/^#?\s*(mirrorlist)/#\1/g" \
-             -e "s|^#?\s*baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" \
-             -i /etc/yum.repos.d/CentOS-Linux-*; \
-        dnf install -y centos-release-stream; \
-        dnf swap -y centos-{linux,stream}-repos; \
-        dnf distro-sync -y; \
-    fi
 
 COPY ./utils/build-common.sh /tmp/build-common.sh
 COPY build-apisix-base.sh /tmp/build-apisix-base.sh
diff --git a/dockerfiles/Dockerfile.apisix-runtime.rpm b/dockerfiles/Dockerfile.apisix-runtime.rpm
index 65a9e5e33..9f82841fa 100644
--- a/dockerfiles/Dockerfile.apisix-runtime.rpm
+++ b/dockerfiles/Dockerfile.apisix-runtime.rpm
@@ -1,20 +1,8 @@
-ARG IMAGE_BASE="centos"
-ARG IMAGE_TAG="7"
+ARG IMAGE_BASE="registry.access.redhat.com/ubi8/ubi"
+ARG IMAGE_TAG="8.6"
 
 FROM ${IMAGE_BASE}:${IMAGE_TAG}
 
-# Note: The duplication around the rpm series dockerfile here
-#       is used for reuse the container layer cache
-RUN if [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then \
-        sed -re "s/^#?\s*(mirrorlist)/#\1/g" \
-             -e "s|^#?\s*baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" \
-             -i /etc/yum.repos.d/CentOS-Linux-*; \
-        dnf install -y centos-release-stream; \
-        dnf swap -y centos-{linux,stream}-repos; \
-        dnf distro-sync -y; \
-    fi
-
-
 WORKDIR /tmp
 
 ARG VERSION
diff --git a/dockerfiles/Dockerfile.apisix.rpm b/dockerfiles/Dockerfile.apisix.rpm
index 4697a98d0..b31cdea6e 100644
--- a/dockerfiles/Dockerfile.apisix.rpm
+++ b/dockerfiles/Dockerfile.apisix.rpm
@@ -1,22 +1,12 @@
-ARG IMAGE_BASE="centos"
-ARG IMAGE_TAG="7"
+ARG IMAGE_BASE="registry.access.redhat.com/ubi8/ubi"
+ARG IMAGE_TAG="8.6"
+
 ARG PACKAGE_TYPE
 ARG RUNTIME_VERSION
 
 FROM apache/apisix-runtime-${PACKAGE_TYPE}:${RUNTIME_VERSION} AS APISIX-RUNTIME
 FROM ${IMAGE_BASE}:${IMAGE_TAG}
 
-# Note: The duplication around the rpm series dockerfile here
-#       is used for reuse the container layer cache
-RUN if [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then \
-        sed -re "s/^#?\s*(mirrorlist)/#\1/g" \
-             -e "s|^#?\s*baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" \
-             -i /etc/yum.repos.d/CentOS-Linux-*; \
-        dnf install -y centos-release-stream; \
-        dnf swap -y centos-{linux,stream}-repos; \
-        dnf distro-sync -y; \
-    fi
-
 COPY ./utils/install-common.sh /install-common.sh
 COPY ./utils/determine-dist.sh /determine-dist.sh
 COPY --from=APISIX-RUNTIME /usr/local/openresty /usr/local/openresty
diff --git a/dockerfiles/Dockerfile.dashboard.rpm b/dockerfiles/Dockerfile.dashboard.rpm
index c82add2a2..30620286f 100644
--- a/dockerfiles/Dockerfile.dashboard.rpm
+++ b/dockerfiles/Dockerfile.dashboard.rpm
@@ -1,19 +1,8 @@
-ARG IMAGE_BASE="centos"
-ARG IMAGE_TAG="7"
+ARG IMAGE_BASE="registry.access.redhat.com/ubi8/ubi"
+ARG IMAGE_TAG="8.6"
 
 FROM ${IMAGE_BASE}:${IMAGE_TAG}
 
-# Note: The duplication around the rpm series dockerfile here
-#       is used for reuse the container layer cache
-RUN if [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then \
-        sed -re "s/^#?\s*(mirrorlist)/#\1/g" \
-             -e "s|^#?\s*baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" \
-             -i /etc/yum.repos.d/CentOS-Linux-*; \
-        dnf install -y centos-release-stream; \
-        dnf swap -y centos-{linux,stream}-repos; \
-        dnf distro-sync -y; \
-    fi
-
 COPY ./utils/install-common.sh /install-common.sh
 COPY ./utils/determine-dist.sh /determine-dist.sh
 
diff --git a/utils/build-common.sh b/utils/build-common.sh
index affeccbcc..989799301 100755
--- a/utils/build-common.sh
+++ b/utils/build-common.sh
@@ -6,22 +6,8 @@ ARCH=${ARCH:-`(uname -m | tr '[:upper:]' '[:lower:]')`}
 BUILD_PATH=${BUILD_PATH:-`pwd`}
 
 build_apisix_base_rpm() {
-    if [[ $(rpm --eval '%{centos_ver}') == "7" ]]; then
-        yum -y install centos-release-scl
-        yum -y install devtoolset-9 patch wget git make sudo
-        set +eu
-        source scl_source enable devtoolset-9
-        set -eu
-    elif [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then
-        dnf install -y gcc-toolset-9-toolchain patch wget git make sudo
-        dnf install -y yum-utils
-        set +eu
-        source /opt/rh/gcc-toolset-9/enable
-        set -eu
-    else
-        dnf install -y yum-utils
-        yum -y install --disablerepo=* --enablerepo=ubi-8-appstream-rpms --enablerepo=ubi-8-baseos-rpms gcc gcc-c++ patch wget git make sudo xz
-    fi
+    dnf install -y yum-utils
+    yum -y install --disablerepo=* --enablerepo=ubi-8-appstream-rpms --enablerepo=ubi-8-baseos-rpms gcc gcc-c++ patch wget git make sudo xz
 
     command -v gcc
     gcc --version
@@ -69,22 +55,8 @@ build_apisix_base_apk() {
 }
 
 build_apisix_runtime_rpm() {
-    if [[ $(rpm --eval '%{centos_ver}') == "7" ]]; then
-        yum -y install centos-release-scl
-        yum -y install devtoolset-9 patch wget git make sudo cpanminus
-        set +eu
-        source scl_source enable devtoolset-9
-        set -eu
-    elif [[ $(rpm --eval '%{centos_ver}') == "8" ]]; then
-        dnf install -y gcc-toolset-9-toolchain patch wget git make sudo cpanminus
-        dnf install -y yum-utils
-        set +eu
-        source /opt/rh/gcc-toolset-9/enable
-        set -eu
-    else
-        dnf install -y yum-utils
-        yum -y install --disablerepo=* --enablerepo=ubi-8-appstream-rpms --enablerepo=ubi-8-baseos-rpms gcc gcc-c++ patch wget git make sudo xz cpanminus
-    fi
+    dnf install -y yum-utils
+    yum -y install --disablerepo=* --enablerepo=ubi-8-appstream-rpms --enablerepo=ubi-8-baseos-rpms gcc gcc-c++ patch wget git make sudo xz cpanminus
 
     command -v gcc
     gcc --version
diff --git a/utils/determine-dist.sh b/utils/determine-dist.sh
index 8d0b4f960..400340236 100755
--- a/utils/determine-dist.sh
+++ b/utils/determine-dist.sh
@@ -2,11 +2,7 @@
 set -euo pipefail
 set -x
 
-dist="el7"
-if [ "${IMAGE_BASE}" == "centos" ]
-then
-    dist="el${IMAGE_TAG}"
-elif [ "${IMAGE_BASE}" == "ubuntu" ]
+if [ "${IMAGE_BASE}" == "ubuntu" ]
 then
     dist="${IMAGE_BASE}${IMAGE_TAG}"
 elif [ "${IMAGE_BASE}" == "debian" ]
diff --git a/utils/publish-rpm.sh b/utils/publish-rpm.sh
index e530bbe30..9511c2669 100755
--- a/utils/publish-rpm.sh
+++ b/utils/publish-rpm.sh
@@ -59,7 +59,6 @@ func_cos_utils_credential_init() {
 # =======================================
 func_repo_init() {
     # ${1} - repo workbench path
-    mkdir -p "${1}"/centos/{7,8}/${ARCH}
     mkdir -p "${1}"/redhat/8/${ARCH}
 }
 
@@ -135,20 +134,12 @@ repo_init)
     func_repo_init /tmp
     ;;
 repo_backup)
-    func_repo_backup "${VAR_COS_BUCKET_REPO}" "centos" "${TAG_DATE}"
     func_repo_backup "${VAR_COS_BUCKET_REPO}" "redhat" "${TAG_DATE}"
     ;;
 repo_clone)
-    func_repo_clone "${VAR_COS_BUCKET_REPO}" "centos" /tmp/centos
     func_repo_clone "${VAR_COS_BUCKET_REPO}" "redhat" /tmp/redhat
     ;;
 repo_package_sync)
-    VAR_REPO_MAJOR_VER=(7 8)
-    for i in "${VAR_REPO_MAJOR_VER[@]}"; do
-        find "${VAR_RPM_WORKBENCH_DIR}" -type f -name "*el${i}.${ARCH}.rpm" \
-            -exec echo "repo sync for: {}" \; \
-            -exec cp -a {} /tmp/centos/"${i}"/${ARCH} \;
-    done
     find "${VAR_RPM_WORKBENCH_DIR}" -type f -name "*ubi8.6.${ARCH}.rpm" \
         -exec echo "repo sync for: {}" \; \
         -exec cp -a {} /tmp/redhat/8/${ARCH} \;
@@ -156,20 +147,15 @@ repo_package_sync)
 repo_repodata_rebuild)
     func_repo_repodata_rebuild /tmp/redhat
     func_repo_repodata_sign /tmp/redhat
-    func_repo_repodata_rebuild /tmp/centos
-    func_repo_repodata_sign /tmp/centos
     ;;
 repo_upload)
     func_repo_upload /tmp/redhat "${VAR_COS_BUCKET_CI}" "redhat"
-    func_repo_upload /tmp/centos "${VAR_COS_BUCKET_CI}" "centos"
     ;;
 repo_publish)
     func_repo_publish "${VAR_COS_BUCKET_CI}" "${VAR_COS_BUCKET_REPO}" "redhat"
-    func_repo_publish "${VAR_COS_BUCKET_CI}" "${VAR_COS_BUCKET_REPO}" "centos"
     ;;
 repo_backup_remove)
     func_repo_backup_remove "${VAR_COS_BUCKET_REPO}" "redhat" "${TAG_DATE}"
-    func_repo_backup_remove "${VAR_COS_BUCKET_REPO}" "centos" "${TAG_DATE}"
     ;;
 rpm_gpg_sign)
     func_rpmsign_macros_init