Add docker files

docker/Dockerfile.sshd

@@ -0,0 +1,26 @@
+# this Dockerfile should be built from the repo root
+FROM ghcr.io/astral-sh/uv:python3.13-bookworm-slim AS builder
+
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
+ENV UV_PYTHON_DOWNLOADS=0
+WORKDIR /build
+
+COPY . /build
+
+RUN uv build --package sshecret
+RUN uv build --package sshecret-sshd
+
+FROM python:3.13-slim-bookworm
+
+COPY --from=builder --chown=app:app /build/dist /opt/sshecret
+
+RUN pip install /opt/sshecret/sshecret-*.whl
+RUN pip install /opt/sshecret/sshecret_sshd-*.whl
+
+WORKDIR /opt/sshecret-sshd
+
+VOLUME /opt/sshecret-sshd
+
+EXPOSE 2222
+
+CMD ["sshecret-sshd", "run", "--host", "0.0.0.0"]