Add Dockerfile

.dockerignore

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+out/
+.git/
+.jj/
+
+.gitignore

Dockerfile

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+FROM python:3.13-slim AS base
+# FROM ghcr.io/astral-sh/uv:0.8-debian-slim AS builder
+#
+# WORKDIR /app
+#
+# COPY pyproject.toml README.md uv.lock ./
+#
+# RUN uv sync --frozen
+#
+# COPY . /app
+
+FROM base AS builder
+COPY --from=ghcr.io/astral-sh/uv:0.8 /uv /bin/uv
+ENV UV_COMPILE_BYTECODE=1 UV_LINK_MODE=copy
+WORKDIR /app
+COPY uv.lock pyproject.toml /app/
+RUN --mount=type=cache,target=/root/.cache/uv \
+  uv sync --frozen --no-install-project --no-dev
+COPY . /app
+RUN --mount=type=cache,target=/root/.cache/uv \
+  uv sync --frozen --no-dev
+
+# TODO: Run as non-root user (but careful with output directory ownership)
+FROM base AS runtime
+
+WORKDIR /app
+ENV PATH="/app/.venv/bin:$PATH"
+
+COPY --from=builder /app /app
+
+ENTRYPOINT ["nightjet"]