diff --git a/.github/workflows/CI-integrationtests.yml b/.github/workflows/CI-integrationtests.yml
deleted file mode 100644
index 339cd7e..0000000
--- a/.github/workflows/CI-integrationtests.yml
+++ /dev/null
@@ -1,55 +0,0 @@
----
-name: CI-integrationtests
-# Execute integration tests for docker container
-# with gammasim-tools
-
-on:
-  push:
-    tags:
-      - 'v*'
-  pull_request:
-    branches: ["main"]
-  release:
-    types: [published]
-
-jobs:
-
-  integrationtests:
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        #        python-version: [3.8, 3.9, 3.10.4]
-        python-version: [3.9]
-
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-
-      - name: corsikasimtelpackage
-        run: |
-          wget --no-verbose https://syncandshare.desy.de/index.php/s/${{ secrets.CLOUD_SIMTEL }}/download
-          mv download ./dev/corsika7.7_simtelarray.tar.gz
-
-      - name: build
-        run: |
-          cd ./dev
-          docker build -t gammasim-tools-dev .
-
-      - name: unittest
-        run: |
-          cd dev/external
-          git clone https://github.com/gammasim/gammasim-tools.git
-          cd gammasim-tools
-          touch set_DB_environ.sh
-          echo "export DB_API_USER=${{ secrets.DB_API_USER }}" >> set_DB_environ.sh
-          echo "export DB_API_PW=${{ secrets.DB_API_PW }}" >> set_DB_environ.sh
-          echo "export DB_API_PORT=${{ secrets.DB_API_PORT }}" >> set_DB_environ.sh
-          echo "export DB_SERVER=${{ secrets.DB_SERVER }}" >> set_DB_environ.sh
-          cd ../..
-          # run unit tests and require that all tests are pass
-          docker run -t --rm -v "$(pwd)/external:/workdir/external" gammasim-tools-dev bash -c "$(cat ./entrypoint.sh) && pytest -x tests/unit_tests/" | tee -a unit_tests.log
-          # run integration tests and require that all tests are pass
-          docker run -t --rm -v "$(pwd)/external:/workdir/external" gammasim-tools-dev bash -c "$(cat ./entrypoint.sh) && pytest -x tests/integration_tests/" | tee -a integration_tests.log
-          # cat unit_tests.log
-          # cat integration_tests.log
diff --git a/.github/workflows/gammasim-tools-dev.yml b/.github/workflows/gammasim-tools-dev.yml
deleted file mode 100644
index 5c1f7be..0000000
--- a/.github/workflows/gammasim-tools-dev.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-# https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
-name: docker-gammasim-tools-dev
-
-on:
-  push:
-    tags:
-      - 'v*'
-  pull_request:
-    branches: ["main"]
-  release:
-    types: [published]
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
-
-jobs:
-  build-gammasim-tools-dev:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
-        with:
-          path: 'containers'
-
-      - name: corsikasimtelpackage
-        run: |
-          wget --no-verbose https://syncandshare.desy.de/index.php/s/${{ secrets.CLOUD_SIMTEL }}/download
-          mv download corsika7.7_simtelarray.tar.gz
-
-      - name: Log in to the Container registry
-        uses: docker/login-action@v2
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          tags: |
-            type=ref,event=pr,suffix=-gammasim-tools-dev
-            type=semver,pattern={{major}}.{{minor}}.{{patch}},suffix=-gammasim-tools-dev
-          images: ${{ env.REGISTRY }}/gammasim-tools-dev/${{ env.IMAGE_NAME }}
-
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
-        with:
-          context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          file: ./containers/dev/Dockerfile
-          tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}-gammasim-tools-dev
diff --git a/.github/workflows/simtelarray.yml b/.github/workflows/test-arch.yml
similarity index 65%
rename from .github/workflows/simtelarray.yml
rename to .github/workflows/test-arch.yml
index e49eb2f..6de6290 100644
--- a/.github/workflows/simtelarray.yml
+++ b/.github/workflows/test-arch.yml
@@ -1,5 +1,5 @@
 # https://docs.github.com/en/actions/publishing-packages/publishing-docker-images
-name: docker-simtelarray
+name: docker-test-arch
 
 on:
   push:
@@ -15,7 +15,7 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  build-simtelarray:
+  build-test-arch:
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -27,10 +27,11 @@ jobs:
         with:
           path: 'containers'
 
-      - name: corsikasimtelpackage
-        run: |
-          wget --no-verbose https://syncandshare.desy.de/index.php/s/${{ secrets.CLOUD_SIMTEL }}/download
-          mv download corsika7.7_simtelarray.tar.gz
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
 
       - name: Log in to the Container registry
         uses: docker/login-action@v2
@@ -44,15 +45,16 @@ jobs:
         uses: docker/metadata-action@v4
         with:
           tags: |
-            type=ref,event=pr,suffix=-simtelarray
-            type=semver,pattern={{major}}.{{minor}}.{{patch}},suffix=-simtelarray
-          images: ${{ env.REGISTRY }}/simtelarray/${{ env.IMAGE_NAME }}
+            type=ref,event=pr,suffix=-test-arch
+            type=semver,pattern={{major}}.{{minor}}.{{patch}},suffix=-test-arch
+          images: ${{ env.REGISTRY }}/gammasim/${{ env.IMAGE_NAME }}
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v3
         with:
           context: .
-          push: ${{ github.event_name != 'pull_request' }}
-          file: ./containers/simtelarray/Dockerfile
+          platforms: linux/amd64,linux/arm64/v8
+          push: ${{ github.event_name != 'release' }}
+          file: ./containers/test-arch/Dockerfile
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}-simtelarray
+          labels: ${{ steps.meta.outputs.labels }}-test-arch
diff --git a/test-arch/Dockerfile b/test-arch/Dockerfile
new file mode 100644
index 0000000..4e4f672
--- /dev/null
+++ b/test-arch/Dockerfile
@@ -0,0 +1,25 @@
+From ubuntu:22.10 as build_image
+WORKDIR /workdir
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y \
+    bash \
+    build-essential \
+    bzip2 \
+    csh \
+    git \
+    libgsl-dev \
+    unzip \
+    vim \
+    wget && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+RUN uname -a
+
+RUN wget --quiet https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-$(uname -p).sh -O ~/miniconda.sh && \
+    /bin/bash ~/miniconda.sh -b -p /workdir/conda && \
+    rm ~/miniconda.sh && \
+    /workdir/conda/bin/conda clean -tipy && \
+    /workdir/conda/bin/conda install -c conda-forge mamba
+
+WORKDIR /workdir/external