diff --git a/.github/codecov.yml b/.github/codecov.yml
new file mode 100644
index 0000000..d463fbf
--- /dev/null
+++ b/.github/codecov.yml
@@ -0,0 +1,12 @@
+ignore:
+  - "ext/amdgpu_preconditioner.jl"
+  - "ext/amdgpu_wrapper.jl"
+  - "ext/ExaPFAMDGPUExt.jl"
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true
\ No newline at end of file
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..a4b23dd
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,31 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+    tags: '*'
+  pull_request:
+    types: [opened, synchronize, reopened]
+  schedule:
+    - cron: '0 0 * * 0'
+
+jobs:
+  test-github-cpuonly:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+          os: [ubuntu-22.04]
+          julia-version: ['1.9']
+          julia-arch: [x64]
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: julia-actions/setup-julia@latest
+        with:
+          version: ${{ matrix.julia-version }}
+      - uses: julia-actions/julia-buildpkg@latest
+      - uses: julia-actions/julia-runtest@latest
+      - uses: codecov/codecov-action@v2
+        with:
+          file: lcov.info
diff --git a/README.md b/README.md
index 983f567..24baed2 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
 # DiffKrylov
+[![][build-latest-img]][build-url] [![][codecov-latest-img]][codecov-latest-url]
 
 DiffKrylov provides a differentiable API for [Krylov.jl](https://github.com/JuliaSmoothOptimizers/Krylov.jl) using [ForwardDiff.jl](https://github.com/JuliaDiff/ForwardDiff.jl). In the future, we will also support Enzyme and its reverse mode.
+
+[codecov-latest-img]: https://codecov.io/gh/JuliaSmoothOptimizers/DiffKrylov.jl/branch/main/graphs/badge.svg?branch=main
+[codecov-latest-url]: https://codecov.io/github/JuliaSmoothOptimizers/DiffKrylov.jl?branch=main
+
+[build-url]: https://github.com/JuliaSmoothOptimizers/DiffKrylov.jl/actions?query=workflow
+[build-latest-img]: https://github.com/JuliaSmoothOptimizers/DiffKrylov.jl/workflows/Run%20tests/badge.svg?branch=main