Poddlers: build from an image that has devel dependencies

Signed-off-by: Aurélien Bompard <aurelien@bompard.org>

roles/openshift-apps/poddlers/files/imagestream.yml

@@ -8,3 +8,17 @@ spec:
     local: false
 status:
   dockerImageRepository: ""
+
+
+kind: List
+items:
+  # The main image
+  - apiVersion: image.openshift.io/v1
+    kind: ImageStream
+    metadata:
+      name: toddlers
+  # The Python 3.11 builder image plus dependencies
+  - apiVersion: image.openshift.io/v1
+    kind: ImageStream
+    metadata:
+      name: python-311-with-deps

roles/openshift-apps/poddlers/templates/Dockerfile-builder-image

@@ -0,0 +1,15 @@
+FROM registry.access.redhat.com/ubi9/python-311:latest
+LABEL \
+    name="python-311-with-deps" \
+    vendor="Fedora Infrastructure" \
+    license="MIT"
+USER root
+# Add RPM-only modules
+RUN dnf install -y \
+        cairo-devel \
+        cairo-gobject-devel \
+        gobject-introspection-devel \
+        libmodulemd \
+    && dnf clean all
+
+USER 1001

roles/openshift-apps/poddlers/templates/buildconfig.yml

@@ -1,4 +1,35 @@
 ---
+# Build a derivative of the python-311 builder image with dependencies added
+apiVersion: build.openshift.io/v1
+kind: BuildConfig
+metadata:
+  name: python-311-with-deps
+  labels:
+    app: poddlers
+    build: python-311-with-deps
+spec:
+  runPolicy: Serial
+  source:
+    type: Dockerfile
+    dockerfile: |-
+      {{ load_file('Dockerfile-builder-image') | indent(6) }}
+  strategy:
+    type: Docker
+    dockerStrategy:
+      from:
+        kind: ImageStreamTag
+        name: python:3.11-ubi9
+        namespace: openshift
+  output:
+    to:
+      kind: ImageStreamTag
+      name: python-311-with-deps:latest
+  triggers:
+    - type: ConfigChange
+    - type: ImageChange
+
+---
+# Build Toddlers
 apiVersion: build.openshift.io/v1
 kind: BuildConfig
 metadata:
@@ -22,8 +53,8 @@ spec:
     sourceStrategy:
       from:
         kind: ImageStreamTag
-        name: python:3.11-ubi9
+        # Our own ImageStream with deps added to it
-        namespace: openshift
+        name: python-3.11-with-deps:latest
   output:
     to:
       kind: ImageStreamTag