OCI: Improve image by bundling all build commands

Also, remove build artefacts.

Author: amotl

Dockerfile

@@ -1,19 +1,30 @@
 FROM python:3.13-slim-bookworm
 
+# Configure operating system
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TERM=linux
 
-# Install prerequisites
-RUN apt-get update
-RUN apt-get --yes install jq
-
-# Provide sources
+# Provide package sources
 COPY . /src
 
-# Install package
+# Install package and dependencies
+ENV UV_COMPILE_BYTECODE=true
+ENV UV_NO_CACHE=true
+ENV UV_PYTHON_DOWNLOADS=never
 ENV UV_SYSTEM_PYTHON=true
 RUN \
     true \
+    # Install package.
     && pip install uv \
     && uv pip install /src \
-    && uv pip uninstall uv
+    && uv pip uninstall uv \
+    # Install `jq`.
+    && apt-get update \
+    && apt-get install --no-install-recommends --no-install-suggests --yes jq \
+    # Tear down.
+    && apt-get autoremove --yes \
+    && apt-get autoclean --yes \
+    && rm -rf /var/lib/apt/lists/* \
+    && rm -rf /root/.cache \
+    && rm -rf /src \
+    && rm -rf /tmp/*