Fix Docker image build step

Dockerfile

@@ -12,22 +12,21 @@ RUN apt-get update && apt-get install -y --no-install-recommends build-essential
 ARG KINTO_VERSION=1
 ENV SETUPTOOLS_SCM_PRETEND_VERSION_FOR_KINTO=${KINTO_VERSION} \
     PATH="/opt/venv/bin:$PATH"
+# At this stage we only fetch and build all dependencies.
+WORKDIR /pkg-kinto
 COPY constraints.txt .
 COPY pyproject.toml .
+COPY kinto/ kinto/
 RUN pip install --upgrade pip && \
-    pip install -e ".[postgresql,memcached,monitoring]" -c constraints.txt && \
+    pip install ".[postgresql,memcached,monitoring]" -c constraints.txt && \
     pip install kinto-attachment kinto-emailer httpie
 
 FROM python:3.10-slim-bullseye
 RUN apt-get update && apt-get install -y --no-install-recommends libpq-dev
 RUN groupadd --gid 10001 app && \
     useradd --uid 10001 --gid 10001 --home /app --create-home app
 
-WORKDIR /app
-USER app
-
 COPY --from=python-builder /opt/venv /opt/venv
-COPY . /app
 COPY --from=node-builder /kinto/plugins/admin/build ./kinto/plugins/admin/build
 
 ENV KINTO_INI=/etc/kinto/kinto.ini \
@@ -36,5 +35,8 @@ ENV KINTO_INI=/etc/kinto/kinto.ini \
 
 RUN kinto init --ini $KINTO_INI --host 0.0.0.0 --backend=memory --cache-backend=memory
 
+WORKDIR /app
+USER app
+
 # Run database migrations and start the kinto server
 CMD kinto migrate --ini $KINTO_INI && kinto start --ini $KINTO_INI --port $PORT

pyproject.toml

@@ -49,7 +49,10 @@ kinto = "kinto.__main__:main"
 main = "kinto:main"
 
 [tool.setuptools.packages.find]
-include = ["kinto"]
+include = ["kinto*"]
+
+[tool.setuptools.package-data]
+"*" = ["*.tpl", "*.sql", "*.html", "VERSION"]
 
 [tool.setuptools.dynamic]
 readme = {file = ["README.rst", "CONTRIBUTORS.rst"]}