diff --git a/.forgejo/workflows/test.yml b/.forgejo/workflows/test.yml
deleted file mode 100644
index be8cbbd..0000000
--- a/.forgejo/workflows/test.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: GTFS Shapes Generation
-
-on: [push]
-
-jobs:
-  modify_routes:
-    runs-on: docker
-    steps:
-      - name: Download sample feed
-        run: curl -o sample-feed.zip https://download.data.public.lu/resources/horaires-et-arrets-des-transport-publics-gtfs/20240530-080402/gtfs-20240529-20240621.zip
-
-      - name: Download OSM data
-        run: curl -o luxembourg-latest.osm.pbf https://download.geofabrik.de/europe/luxembourg-latest.osm.pbf
-
-      - name: Run Shape Generation
-        uses: gtfs-actions/generate-shapes@v1
-        with:
-          gtfs_file: sample-feed.zip
-          osm_file: luxembourg-latest.osm.pbf
-          mot: bus
-          output_file: modified-feed.zip
-
-      - name: Upload modified feed
-        uses: actions/upload-artifact@v4
-        with:
-          name: modified-feed
-          path: modified-feed.zip
\ No newline at end of file
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..5b26f87
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,110 @@
+name: Build
+'on':
+  - push
+jobs:
+  ubuntu-20-04-build-gcc:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: update apt
+        run: sudo apt update
+      - name: install dependencies
+        run: sudo apt install -y cmake gcc g++
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
+  ubuntu-latest-build-gcc:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: update apt
+        run: sudo apt update
+      - name: install dependencies
+        run: sudo apt install -y cmake gcc g++
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
+  ubuntu-20-04-build-clang:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: update apt
+        run: sudo apt update
+      - name: install dependencies
+        run: sudo apt install -y cmake clang
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+        shell: bash
+        env:
+          CC: clang
+          CXX: clang++
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
+  ubuntu-latest-build-clang:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: update apt
+        run: sudo apt update
+      - name: install dependencies
+        run: sudo apt install -y cmake clang
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+        shell: bash
+        env:
+          CC: clang
+          CXX: clang++
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
+  macos-latest-build:
+    runs-on: macOS-latest
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: install dependencies
+        run: brew install cmake
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
+  macos-12-build:
+    runs-on: macOS-12
+    steps:
+      - name: Checkout repository code
+        uses: actions/checkout@v2
+      - name: Checkout submodules
+        run: git submodule update --init --recursive
+      - name: install dependencies
+        run: brew install cmake
+      - name: cmake
+        run: mkdir build && cd build && cmake ..
+      - name: make
+        run: cd build && make
+      - name: tests
+        run: cd build && ctest --output-on-failure
diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
new file mode 100644
index 0000000..c2fcdac
--- /dev/null
+++ b/.github/workflows/container.yml
@@ -0,0 +1,46 @@
+name: "Container image build"
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+
+  image:
+    env:
+      REGISTRY: ghcr.io
+      IMAGE_NAME: ${{ github.repository }}
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value={{date 'YYYY-MM-DDTHH-mm'}}
+            type=raw,value=latest
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.ref == 'refs/heads/master' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
diff --git a/action.yml b/action.yml
deleted file mode 100644
index 6fe43de..0000000
--- a/action.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: 'Generate shapes from OSM data'
-description: 'Use pfaedle to generate shapes from OSM data for a GTFS feed.'
-
-inputs:
-  gtfs_file:
-    description: 'Path to GTFS .zip file.'
-    required: true
-  osm_file:
-    description: 'Path to OSM .pbf file.'
-    required: true
-  mot:
-    description: 'Mode of transport to generate shapes for.'
-    required: false
-    default: 'all'
-  output_file:
-    description: 'Path to output GTFS .zip file.'
-    required: true
-
-runs:
-    using: 'docker'
-    image: 'Dockerfile'
-    args:
-      - '-i'
-      - ${{ inputs.gtfs_file }}
-      - '-x'
-      - ${{ inputs.osm_file }}
-      - '-m'
-      - ${{ inputs.mot }}
-      - '-o'
-      - ${{ inputs.output_file }}
\ No newline at end of file