diff --git a/.github/workflows/build_container.yml b/.github/workflows/build_container.yml
new file mode 100644
index 0000000..a823f38
--- /dev/null
+++ b/.github/workflows/build_container.yml
@@ -0,0 +1,61 @@
+name: Build Image using Containerfile
+on: 
+  push:
+    branches:
+      - 'development'
+    tags:
+
+  pull_request:
+    types: 
+      - opened
+      - synchronize
+    branches:
+      - 'development'
+
+permissions:
+  packages: write
+  contents: read
+
+jobs:
+  build:
+    name: Build image
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Determine tags
+      shell: bash
+      env:
+        REF_TYPE: ${{ github.ref_type }}
+        SHA: ${{ github.sha }}
+        EVENT_NAME: ${{ github.event_name }}
+      run: |
+        if [[ "${EVENT_NAME}" == "pull_request" ]]; then
+          echo "BASE_TAGS=${SHA}" | tee -a "${GITHUB_ENV}"
+        elif [[ "${REF_TYPE}" == "tag" ]]; then 
+          echo "BASE_TAGS=latest ${GITHUB_REF#refs/*/} ${SHA}" | tee -a "${GITHUB_ENV}"
+        elif [[ "${REF_TYPE}" == "branch" ]]; then
+          echo "BASE_TAGS=${GITHUB_REF#refs/*/} ${SHA}" | tee -a "${GITHUB_ENV}"
+        else
+          echo "BASE_TAGS=${SHA}" | tee -a "${GITHUB_ENV}"
+        fi
+
+    - name: Buildah Action
+      id: build_image
+      uses: redhat-actions/buildah-build@v2
+      with:
+        image: CoverageCalculatorPy
+        tags: ${{ env.BASE_TAGS }}
+        containerfiles: |
+          ./Containerfile
+
+    - name: Push to GHCR
+      uses: redhat-actions/push-to-registry@v2
+      if: github.event_name != 'pull_request'
+      with:
+        image: ${{ steps.build_image.outputs.image }}
+        tags: ${{ steps.build_image.outputs.tags }}
+        registry: ghcr.io/awgl
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
diff --git a/Containerfile b/Containerfile
new file mode 100644
index 0000000..783e31f
--- /dev/null
+++ b/Containerfile
@@ -0,0 +1,10 @@
+FROM docker.io/python:3.11
+
+# Copy script into folder
+COPY CoverageCalculatorPy.py /usr/bin/
+
+RUN chmod +x /usr/bin/CoverageCalculatorPy.py
+
+# Install pytabix
+RUN  pip install pytabix==0.1
+
diff --git a/env/CoverageCalculatorPy.def b/env/CoverageCalculatorPy.def
new file mode 100644
index 0000000..d742da7
--- /dev/null
+++ b/env/CoverageCalculatorPy.def
@@ -0,0 +1,15 @@
+Bootstrap: docker
+From: python:3.11
+
+%files
+    ../CoverageCalculatorPy.py /usr/bin/CoverageCalculatorPy.py
+
+%post
+    # Make script executable
+    chmod +x /usr/bin/CoverageCalculatorPy.py
+    
+    # Install pytabix
+    pip install pytabix==0.1
+
+%runscript
+    exec "$@"
diff --git a/env/CoverageCalculatorPy.yml b/env/CoverageCalculatorPy.yml
index adc30e8..b3139eb 100644
--- a/env/CoverageCalculatorPy.yml
+++ b/env/CoverageCalculatorPy.yml
@@ -4,8 +4,6 @@ channels:
   - bioconda
   - defaults
 dependencies:
-  - python=3.6.7
-  - zlib=1.2.11
-  - pip:
-    - pytabix==0.1
+  - python=3.11
+  - pytabix=0.1