let's start with a SLiM container

.github/workflows/docker.yml

@@ -0,0 +1,38 @@
+name: docker publish
+
+on: push
+
+jobs:
+  build-tools-images:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        container:
+          - name: SLiM
+            version: 4.2.2
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: metadata  # store tags/labels in this workflow id
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}/tools/${{ matrix.container.name }}
+          tags: |
+            type=raw,version=${{ matrix.container.version }} 
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: docker/tools/${{ matrix.container.name }}
+          load: true
+          tags: ${{ steps.metadata.outputs.tags }}
+          labels: ${{ steps.metadata.outputs.labels }}

docker/tools/SLiM/Dockerfile

@@ -0,0 +1,43 @@
+FROM debian:trixie-slim AS base
+FROM base AS build-stage
+
+ARG SLIM_VERSION
+ARG MAKE_THREADS=6
+
+RUN \
+	set -ex; \
+	apt-get update; \
+	apt-get install -y --no-install-recommends \
+	curl \
+	ca-certificates \
+	cmake \
+	make \
+	gcc \
+	g++ \
+	; \
+	rm -rf /var/lib/apt/lists/*
+
+RUN \
+	set -exu; \
+	curl -L "https://github.com/MesserLab/SLiM/archive/refs/tags/v${SLIM_VERSION}.tar.gz" | tar -xz; \
+	cd "SLiM-${SLIM_VERSION}"; \
+	mkdir build; \
+	cd build; \
+	cmake -DBUILD_LTO=ON -DBUILD_TYPE=Release ..; \
+	make -j "$MAKE_THREADS"; \
+	mv slim /usr/local/bin
+
+FROM base AS final
+
+COPY --from=build-stage /usr/local/bin /usr/local/bin
+
+# RUN \
+# 	set -ex; \
+# 	apt-get update; \
+# 	apt-get install -y --no-install-recommends \
+# 	libcurl4 \
+# 	libgsl27 \
+# 	libperl5.34; \
+# 	rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT ["slim"]