feat: add Dockerfile and workflow

Signed-off-by: Mohammed Naser <mnaser@vexxhost.com>

Author: mnaser

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: build
+
+on:
+  pull_request:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+      - stable/**
+
+jobs:
+  image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+      packages: write
+    steps:
+      - uses: vexxhost/docker-atmosphere/.github/actions/build-image@main
+        with:
+          image-name: python-openstackclient
+          push: ${{ github.event_name != 'pull_request' }}

Dockerfile

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+# SPDX-FileCopyrightText: © 2025 VEXXHOST, Inc.
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Atmosphere-Rebuild-Time: 2024-06-25T22:49:25Z
+
+FROM ghcr.io/vexxhost/openstack-venv-builder:main@sha256:bff09007027c2b6b908e2e970fe5cf06a4c025848e69bad73aa4970aff4978e2 AS build
+RUN <<EOF bash -xe
+uv pip install \
+    --constraint /upper-constraints.txt \
+        osc-placement \
+        python-barbicanclient \
+        python-designateclient \
+        python-glanceclient \
+        python-heatclient \
+        python-ironicclient \
+        python-magnumclient \
+        python-manilaclient \
+        python-neutronclient \
+        python-octaviaclient \
+        python-openstackclient \
+        python-swiftclient \
+        tap-as-a-service
+EOF
+
+FROM ghcr.io/vexxhost/python-base:main@sha256:4ab6c0c1a31e169d3b158e8ad70963b91ea933ae63a279640ded5d37e92815b7
+COPY --from=build --link /var/lib/openstack /var/lib/openstack
+
+# NOTE(mnaser): The Magnum client relies on the SHELL environment variable
+#               to determine the shell to use.
+ENV SHELL=/bin/bash
+
+# NOTE(mnaser): When we call this container, we mount the current directory
+#               into `/opt` and then we can call `openstack` commands.
+WORKDIR /opt

renovate.json

@@ -0,0 +1,4 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["local>vexxhost/docker-atmosphere"]
+}