Add python3-build image.

.gitlab-ci.yml

@@ -140,3 +140,20 @@ push-python3:
   needs:
     - job: build-python3
       artifacts: true
+
+# python3-build image:
+
+build-python3-build:
+  extends: .container-build
+  variables:
+    CONTEXT: images/python3-build
+
+push-python3-build:
+  extends: .container-push
+  variables:
+    CONTEXT: images/python3-build
+    IMAGE: ci-images
+    TAG: python3-build
+  needs:
+    - job: build-python3-build
+      artifacts: true

images/python3-build/.dockerignore

+*

images/python3-build/Dockerfile

+# hadolint ignore=DL3006
+FROM registry.hub.docker.com/library/centos:7
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+# hadolint ignore=DL3013,DL3033
+RUN yum group install -y "Development tools" && \
+    yum install -y \
+        python3-devel \
+        python3-pip \
+        python3-wheel \
+    && \
+    yum clean all && \
+    pip3 install --no-cache-dir --upgrade pip && \
+    pip3 install --no-cache-dir \
+        auditwheel \
+        build \
+        docutils \
+        pipenv \
+        poetry \
+        pygments \
+        pyinstaller \
+        tox \
+        twine \
+        wheel \
+    && \
+    rm -rf /tmp/* /var/tmp/* ~/.cache/* /var/cache/yum/*