chore: clean-up and minify image
diff --git a/Dockerfile b/Dockerfile
index b21c967..59f0e97 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,12 @@
-# syntax=docker/dockerfile-upstream:master-labs
+# syntax=docker/dockerfile:1.5
-ARG BUILDER_IMAGE=quay.io/vexxhost/openstack-builder-focal
-ARG RUNTIME_IMAGE=quay.io/vexxhost/openstack-runtime-focal
+FROM python:3.10 AS builder
+RUN python3 -m venv /venv
+ENV PATH=/venv/bin:$PATH
+ADD . /src
+RUN --mount=type=cache,target=/root/.cache \
+ pip install /src
-# hadolint ignore=DL3007
-FROM quay.io/vexxhost/bindep-loci:latest AS bindep
-
-FROM ${BUILDER_IMAGE}:ced4522d9a10ba7172f373289af6dace06be3b36 AS builder
-COPY --from=bindep --link /runtime-pip-packages /runtime-pip-packages
-
-FROM ${RUNTIME_IMAGE}:a391e31bb33041611e2aa2797debcb21e6f221cd AS runtime
-COPY --from=bindep --link /runtime-dist-packages /runtime-dist-packages
-COPY --from=builder --link /var/lib/openstack /var/lib/openstack
-# hadolint ignore=DL3022
-COPY --from=docker.io/alpine/helm:3.11.2 /usr/bin/helm /usr/local/bin/helm
-# hadolint ignore=DL3022
-COPY --from=gcr.io/go-containerregistry/crane /ko-app/crane /usr/local/bin/crane
+FROM python:3.10-slim AS runtime
+ENV PATH=/venv/bin:$PATH
+COPY --from=builder /venv /venv