diff --git a/.github/workflows/docker_build.yml b/.github/workflows/docker_build.yml
new file mode 100644
index 000000000..b7b17c295
--- /dev/null
+++ b/.github/workflows/docker_build.yml
@@ -0,0 +1,46 @@
+name: Docker image build
+
+on:
+  push:
+    paths:
+      # The image build workflow will be triggered if changes are present
+      # in the following files/directories. Make sure that all files used
+      # in the building process are listed here.
+      - tools/docker/**
+      - regression/syscall_test/**
+      - Cargo.toml
+      - rust-toolchain.toml
+    branches:
+      - 'main'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - uses: actions/checkout@v3
+
+      - name: Fetch versions in the repo
+        id: fetch-versions
+        run: |
+          echo "jinux=$( grep -m1 -o '[0-9]\+\.[0-9]\+\.[0-9]\+' Cargo.toml | sed 's/[^0-9\.]//g' )" >> "$GITHUB_OUTPUT"
+          echo "rust=$( grep -m1 -o 'nightly-[0-9]\+-[0-9]\+-[0-9]\+' rust-toolchain.toml )" >> "$GITHUB_OUTPUT"
+
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./tools/docker/Dockerfile.ubuntu22.04
+          platforms: linux/amd64
+          push: true
+          tags: jinuxdev/jinux:${{ steps.fetch-versions.outputs.jinux }}
+          build-args: |
+            "JINUX_RUST_VERSION=${{ steps.fetch-versions.outputs.rust }}"
diff --git a/.github/workflows/syscall_test.yml b/.github/workflows/syscall_test.yml
index b034da134..ef74fa6ec 100644
--- a/.github/workflows/syscall_test.yml
+++ b/.github/workflows/syscall_test.yml
@@ -2,11 +2,6 @@ name: Syscall test
 
 on:
   pull_request:
-    types:
-      - opened
-      - reopened
-      - synchronize
-      - ready_for_review
   push:
     branches:
       - main
diff --git a/tools/docker/.gitignore b/tools/docker/.gitignore
deleted file mode 100644
index c4d86dc34..000000000
--- a/tools/docker/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-bom/
diff --git a/tools/docker/Dockerfile.ubuntu22.04 b/tools/docker/Dockerfile.ubuntu22.04
index c2f748689..cb021b5bc 100644
--- a/tools/docker/Dockerfile.ubuntu22.04
+++ b/tools/docker/Dockerfile.ubuntu22.04
@@ -15,14 +15,14 @@ RUN apt update && apt-get install -y --no-install-recommends \
     python3-pip
 
 # Install bazel, which is required by the system call test suite from Gvisor project
-COPY bom/syscall_test/install_bazel.sh /tmp/
+COPY regression/syscall_test/install_bazel.sh /tmp/
 WORKDIR /tmp
 RUN ./install_bazel.sh && rm -f /tmp/install_bazel.sh
 
 FROM ubuntu-22.04-with-bazel as syscall_test
 
 # Build the syscall test binaries
-COPY bom/syscall_test /root/syscall_test
+COPY regression/syscall_test /root/syscall_test
 WORKDIR /root/syscall_test
 RUN export BUILD_DIR=build && \
     make ${BUILD_DIR}/syscall_test_bins
diff --git a/tools/docker/build_image.sh b/tools/docker/build_image.sh
deleted file mode 100755
index 8a871aa56..000000000
--- a/tools/docker/build_image.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/bash
-
-set -e
-
-SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-CARGO_TOML_PATH=${SCRIPT_DIR}/../../Cargo.toml
-VERSION=$( grep -m1 -o '[0-9]\+\.[0-9]\+\.[0-9]\+' ${CARGO_TOML_PATH} | sed 's/[^0-9\.]//g'  )
-IMAGE_NAME=jinuxdev/jinux:${VERSION}
-DOCKER_FILE=${SCRIPT_DIR}/Dockerfile.ubuntu22.04
-BOM_DIR=${SCRIPT_DIR}/bom
-TOP_DIR=${SCRIPT_DIR}/../../
-ARCH=linux/amd64
-RUST_TOOLCHAIN_PATH=${SCRIPT_DIR}/../../rust-toolchain.toml
-JINUX_RUST_VERSION=$( grep -m1 -o 'nightly-[0-9]\+-[0-9]\+-[0-9]\+' ${RUST_TOOLCHAIN_PATH} )
-
-# Prpare the BOM (bill of materials) directory to copy files or dirs into the docker image.
-# This is because the `docker build` can not access the parent directory of the context.
-if [ ! -d ${BOM_DIR} ]; then
-    mkdir -p ${BOM_DIR}
-    cp -rf ${TOP_DIR}/regression/syscall_test ${BOM_DIR}/
-fi
-
-# Build docker
-cd ${SCRIPT_DIR}
-docker buildx build -f ${DOCKER_FILE} \
-    --build-arg JINUX_RUST_VERSION=${JINUX_RUST_VERSION} \
-    --platform ${ARCH} \
-    -t ${IMAGE_NAME} .