Create a separte backend for plain volto

restore the create_site.py in this backend from before we added the plone.distribution support/setup
Update GHA to build a separate backend
Add separate network for plain volto backend<>frontend communication

.github/workflows/build_deploy.yml

@@ -91,6 +91,86 @@ jobs:
         run: |
           PYTHONWARNINGS=ignore zope-testrunner --auto-color --auto-progress --test-path src/plone_6_demo_site/src/
 
+  backend-volto-black:
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Run check
+        uses: plone/code-analysis-action@v2
+        with:
+          base_dir: 'backend-volto'
+          check: 'black'
+
+  backend-volto-flake8:
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Run check
+        uses: plone/code-analysis-action@v2
+        with:
+          base_dir: 'backend-volto'
+          check: 'flake8'
+
+  backend-volto-isort:
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Run check
+        uses: plone/code-analysis-action@v2
+        with:
+          base_dir: 'backend-volto'
+          check: 'isort'
+
+  backend-volto-zpretty:
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v4
+
+      - name: Run check
+        uses: plone/code-analysis-action@v2
+        with:
+          base_dir: 'backend-volto'
+          check: 'zpretty'
+
+  backend-volto-tests:
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
+    runs-on: ubuntu-latest
+
+    defaults:
+      run:
+        working-directory: ./backend-volto
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Plone ${{ env.plone }} with Python ${{ env.python }}
+        uses: plone/setup-plone@v2.0.0
+        with:
+          python-version: ${{ env.python }}
+          plone-version: ${{ env.plone }}
+
+      - name: Install package
+        run: |
+          pip install mxdev
+          mxdev -c mx.ini
+          pip install -r requirements-mxdev.txt
+
+      - name: Run tests
+        run: |
+          PYTHONWARNINGS=ignore zope-testrunner --auto-color --auto-progress --test-path src/plone_6_demo_site/src/
+
+
   classic-black:
     if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     runs-on: ubuntu-latest
@@ -339,6 +419,9 @@ jobs:
           - image: backend
             context: backend
             file: Dockerfile
+          - image: backend-volto
+            context: backend-volto
+            file: Dockerfile            
           - image: frontend
             context: frontend
             file: Dockerfile

.github/workflows/ci.yml

@@ -6,10 +6,14 @@ on:
     paths:
       - "backend/**"
       - "frontend/**"
+      - "frontend-volto/**"
+
       - ".github/workflows/ci.yml"
   pull_request:
     paths:
       - "backend/**"
+      - "backend-volto/**"
+
       - "frontend/**"
       - ".github/workflows/ci.yml"
 

backend-volto/.dockerignore

@@ -0,0 +1,12 @@
+.editorconfig
+.gitattributes
+bin
+Dockerfile
+include
+instance
+instance.yaml
+lib
+lib64
+Makefile
+pyvenv.cfg
+var

backend-volto/.gitattributes

@@ -0,0 +1 @@
+CHANGES.md merge=union

backend-volto/.gitignore

@@ -0,0 +1,44 @@
+.coverage
+*.egg-info
+*.log
+*.mo
+*.py?
+*.swp
+# dirs
+bin/
+buildout-cache/
+data/*.json
+develop-eggs/
+eggs/
+etc/
+htmlcov/
+include/
+instance/
+lib/
+lib64/
+local/
+node_modules/
+parts/
+src/plone6demo/setuphandlers/data/*.json
+dist/*
+test.plone_addon/
+var/
+# files
+.installed.cfg
+.mr.developer.cfg
+lib64
+log.html
+output.xml
+pip-selfcheck.json
+report.html
+.vscode/
+.tox/
+reports/
+venv/
+*-mxdev.txt
+# excludes
+live.cfg
+inituser
+pip-wheel-metadata
+pyvenv.cfg
+instance-local.yaml

backend-volto/Dockerfile

@@ -0,0 +1,29 @@
+# syntax=docker/dockerfile:1
+ARG SEED=1000
+ARG PLONE_VERSION=6.0.11
+FROM plone/plone-backend:${PLONE_VERSION}
+
+
+LABEL maintainer="Plone Foundation <collective@plone.org>" \
+    org.label-schema.name="demo-backend-volto" \
+    org.label-schema.description="Plone 6 Demo Plain Volto Site backend image." \
+    org.label-schema.vendor="Plone Foundation"
+
+# Add local code
+COPY . .
+
+# Install local requirements and fix permissions
+RUN <<EOT
+    ./bin/pip install mxdev
+    mv requirements-docker.txt requirements.txt
+    ./bin/mxdev -c mx.ini
+    ./bin/pip install -r requirements-mxdev.txt
+    chown -R plone: /app
+EOT
+
+# Create a new site with content
+RUN <<EOT
+    SEED=${SEED}
+    ADDITIONAL_PROFILES=plone6demo:initial
+    ./docker-entrypoint.sh create-site
+EOT

backend-volto/Makefile

@@ -0,0 +1,175 @@
+### Defensive settings for make:
+#     https://tech.davis-hansson.com/p/make/
+SHELL:=bash
+.ONESHELL:
+.SHELLFLAGS:=-xeu -o pipefail -O inherit_errexit -c
+.SILENT:
+.DELETE_ON_ERROR:
+MAKEFLAGS+=--warn-undefined-variables
+MAKEFLAGS+=--no-builtin-rules
+
+# We like colors
+# From: https://coderwall.com/p/izxssa/colored-makefile-for-golang-projects
+RED=`tput setaf 1`
+GREEN=`tput setaf 2`
+RESET=`tput sgr0`
+YELLOW=`tput setaf 3`
+
+# Set distributions still in development
+DISTRIBUTIONS="voltodemo"
+ALLOWED_DISTRIBUTIONS="voltodemo"
+
+PLONE_VERSION=6.0.11
+
+BACKEND_FOLDER=$(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
+
+CODE_QUALITY_VERSION=2.0.2
+ifndef LOG_LEVEL
+	LOG_LEVEL=INFO
+endif
+CURRENT_USER=$$(whoami)
+USER_INFO=$$(id -u ${CURRENT_USER}):$$(getent group ${CURRENT_USER}|cut -d: -f3)
+LINT=docker run --rm -e LOG_LEVEL="${LOG_LEVEL}" -v "${BACKEND_FOLDER}":/github/workspace plone/code-quality:${CODE_QUALITY_VERSION} check
+FORMAT=docker run --rm --user="${USER_INFO}" -e LOG_LEVEL="${LOG_LEVEL}" -v "${BACKEND_FOLDER}":/github/workspace plone/code-quality:${CODE_QUALITY_VERSION} format
+
+IMAGE_NAME=ghcr.io/plone/demo-backend-volto
+IMAGE_TAG=latest
+
+# Python checks
+PYTHON?=python3
+
+# installed?
+ifeq (, $(shell which $(PYTHON) ))
+  $(error "PYTHON=$(PYTHON) not found in $(PATH)")
+endif
+
+# version ok?
+PYTHON_VERSION_MIN=3.8
+PYTHON_VERSION_OK=$(shell $(PYTHON) -c "import sys; print((int(sys.version_info[0]), int(sys.version_info[1])) >= tuple(map(int, '$(PYTHON_VERSION_MIN)'.split('.'))))")
+ifeq ($(PYTHON_VERSION_OK),False)
+  $(error "Need python $(PYTHON_VERSION) >= $(PYTHON_VERSION_MIN)")
+endif
+
+
+# Add the following 'help' target to your Makefile
+# And add help text after each target name starting with '\#\#'
+.PHONY: help
+help: ## This help message
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+
+.PHONY: clean
+clean: clean-build clean-pyc clean-test clean-venv clean-instance ## remove all build, test, coverage and Python artifacts
+
+.PHONY: clean-instance
+clean-instance: ## remove existing instance
+	rm -fr instance etc inituser var
+
+.PHONY: clean-venv
+clean-venv: ## remove virtual environment
+	rm -fr bin include lib lib64
+
+.PHONY: clean-build
+clean-build: ## remove build artifacts
+	rm -fr build/
+	rm -fr dist/
+	rm -fr .eggs/
+	find . -name '*.egg-info' -exec rm -fr {} +
+	find . -name '*.egg' -exec rm -rf {} +
+
+.PHONY: clean-pyc
+clean-pyc: ## remove Python file artifacts
+	find . -name '*.pyc' -exec rm -f {} +
+	find . -name '*.pyo' -exec rm -f {} +
+	find . -name '*~' -exec rm -f {} +
+	find . -name '__pycache__' -exec rm -fr {} +
+
+.PHONY: clean-test
+clean-test: ## remove test and coverage artifacts
+	rm -f .coverage
+	rm -fr htmlcov/
+
+bin/pip:
+	@echo "$(GREEN)==> Setup Virtual Env$(RESET)"
+	$(PYTHON) -m venv .
+	bin/pip install -U "setuptools" "pip" "wheel" "cookiecutter" "mxdev"
+
+.PHONY: config
+config: bin/pip  ## Create instance configuration
+	@echo "$(GREEN)==> Create instance configuration$(RESET)"
+	if [[ -s instance-override.yaml ]]; then \
+				echo "    Using instance-local.yaml"; \
+				bin/cookiecutter -f --no-input --config-file instance-local.yaml gh:plone/cookiecutter-zope-instance ;\
+	else \
+				bin/cookiecutter -f --no-input --config-file instance.yaml gh:plone/cookiecutter-zope-instance ;\
+	fi
+
+# i18n
+bin/i18ndude: bin/pip
+	@echo "$(GREEN)==> Install translation tools$(RESET)"
+	bin/pip install i18ndude
+
+.PHONY: i18n
+i18n: bin/i18ndude ## Update locales
+	@echo "$(GREEN)==> Updating locales$(RESET)"
+	bin/update_locale
+
+# TODO `make build`
+# build:
+
+.PHONY: build-dev
+build-dev: config ## pip install Plone packages
+	@echo "$(GREEN)==> Setup Build$(RESET)"
+	bin/mxdev -c mx.ini
+	bin/pip install -r requirements-mxdev.txt
+
+.PHONY: format
+format: ## Format the codebase according to our standards
+	@echo "$(GREEN)==> Format codebase$(RESET)"
+	$(FORMAT)
+
+.PHONY: lint
+lint: lint-isort lint-black lint-flake8 lint-zpretty ## check code style
+
+.PHONY: lint-black
+lint-black: ## validate black formating
+	$(LINT) black
+
+.PHONY: lint-flake8
+lint-flake8: ## validate black formating
+	$(LINT) flake8
+
+.PHONY: lint-isort
+lint-isort: ## validate using isort
+	$(LINT) isort
+
+.PHONY: lint-pyroma
+lint-pyroma: ## validate using pyroma
+	$(LINT) pyroma
+
+.PHONY: lint-zpretty
+lint-zpretty: ## validate ZCML/XML using zpretty
+	$(LINT) zpretty
+
+.PHONY: test
+test: ## run tests
+	./bin/zope-testrunner --auto-color --auto-progress --test-path src/plone6demo/src/
+
+.PHONY: test_quiet
+test_quiet: ## run tests removing deprecation warnings
+	PYTHONWARNINGS=ignore ./bin/zope-testrunner --auto-color --auto-progress --test-path src/plone6demo/src/
+
+.PHONY: create-site
+create-site: ## Create a new site using default distribution and default answers
+	DEVELOP_DISTRIBUTIONS=$(DISTRIBUTIONS) ALLOWED_DISTRIBUTIONS=$(DISTRIBUTIONS) PYTHONWARNINGS=ignore ./bin/zconsole run instance/etc/zope.conf scripts/create_site.py
+
+.PHONY: start
+start: ## Start a Plone instance on localhost:8080
+	PYTHONWARNINGS=ignore ./bin/runwsgi instance/etc/zope.ini
+
+.PHONY: debug
+debug: instance/etc/zope.ini ## Run debug console
+	PYTHONWARNINGS=ignore ./bin/zconsole debug instance/etc/zope.conf
+
+.PHONY: build-image
+build-image:  ## Build Docker Image
+	@docker build . -t $(IMAGE_NAME):$(IMAGE_TAG) -f Dockerfile --build-arg PLONE_VERSION=$(PLONE_VERSION)

backend-volto/constraints.txt

@@ -0,0 +1 @@
+-c https://dist.plone.org/release/6.0.11/constraints.txt

backend-volto/instance.yaml

@@ -0,0 +1,7 @@
+default_context:
+    initial_user_name: 'admin'
+    initial_user_password: 'admin'
+
+    zcml_package_includes: 'plone6demo'
+
+    db_storage: direct