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Add new django tutorial (#4869)
* Cloud Run with Django tutorial * Cloud Run with Django tutorial * black, .env file update * Document Dockerfile, add PYTHONUNBUFFERED * Document cloudmigrate.yaml * Formatiting * Bump django, remove mysql * Update secretmanager * Update pinned dependencies * ensure path is set correctly with api update * format * Generalise cloudmigrate file * update service default * add tests * Update CODEOWNERS * Licence headers * Remove envvar declaration * cleanup readme * Fix import names, region tags * black * Cloud Run with Django tutorial * black, .env file update * Document Dockerfile, add PYTHONUNBUFFERED * Document cloudmigrate.yaml * Formatiting * Bump django, remove mysql * Update secretmanager * Update pinned dependencies * ensure path is set correctly with api update * format * Generalise cloudmigrate file * update service default * add tests * Update CODEOWNERS * Licence headers * Remove envvar declaration * cleanup readme * Fix import names, region tags * black * black * Format YAML * bump dependencies * Update var names, remove sql instance creation * PR Feedback * Debug failing command * Remove IAM calls - possible permissions issues * debug * force local settings if in nox/test * add IDs to cloud build * Update region tags * Get instance name from envvar * Make secrets dynamic, optionally overload names by envvar * Remove create/destroy of static setting * Consolidate envvars * fix region tags * lint, import error * Testing instance name is fqdn, need just name for gcloud sql calls * Ensure project specified on gcloud calls * set project when using gsutil * order of flags in gsutil matters * ensure all subprocesses include project causes issues otherwise * Add and remove more project tags * Update comments * match on exact project name, not substring * lint * Can't hide the settings name in the setting itself 🧐 * big oof * migrations require __init__.py to be detected * Bump overnight patch * Debug 503 * Service requires custom settings envvar * attempt fixing local tests * lint * revert accidental appengine change * envvars * ohno * wrong varname * Update run/django/noxfile_config.py Co-authored-by: Leah E. Cole <6719667+leahecole@users.noreply.github.com> * Add licence header * Formatting * black * Add typehinting, remove debugging * ⚠️ noxfile change - add typehints * ⚠️ noxfile change - fix method signature * ⚠️ noxfile change - fix nox session type * ⚠️ noxfile change - import order * hadolint Dockerfile * revert hadolint * Add linking * Remove gcloudignore * Testing: i have a theory this is why tests started failing Co-authored-by: Leah E. Cole <6719667+leahecole@users.noreply.github.com>
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‎.github/CODEOWNERS‎

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/profiler/**/*.py @kalyanac @GoogleCloudPlatform/python-samples-owners
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/pubsub/**/*.py @anguillanneuf @hongalex @GoogleCloudPlatform/python-samples-owners
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/run/**/*.py @averikitsch @grant @GoogleCloudPlatform/python-samples-owners
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/run/django/**/*.py @glasnt @GoogleCloudPlatform/python-samples-owners
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/scheduler/**/*.py @averikitsch @GoogleCloudPlatform/python-samples-owners
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/spanner/**/*.py @larkee @GoogleCloudPlatform/python-samples-owners
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/speech/**/*.py @telpirion @sirtorry @GoogleCloudPlatform/python-samples-owners

‎noxfile-template.py‎

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import os
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from pathlib import Path
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import sys
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from typing import Callable, Dict, List, Optional
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import nox
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TEST_CONFIG.update(TEST_CONFIG_OVERRIDE)
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def get_pytest_env_vars():
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def get_pytest_env_vars() -> Dict[str, str]:
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"""Returns a dict for pytest invocation."""
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ret = {}
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#
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def _determine_local_import_names(start_dir):
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def _determine_local_import_names(start_dir: str) -> List[str]:
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"""Determines all import names that should be considered "local".
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This is used when running the linter to insure that import order is
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@nox.session
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def lint(session):
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def lint(session: nox.sessions.Session) -> None:
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if not TEST_CONFIG['enforce_type_hints']:
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session.install("flake8", "flake8-import-order")
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else:
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#
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@nox.session
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def blacken(session):
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def blacken(session: nox.sessions.Session) -> None:
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session.install("black")
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python_files = [path for path in os.listdir(".") if path.endswith(".py")]
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PYTEST_COMMON_ARGS = ["--junitxml=sponge_log.xml"]
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def _session_tests(session, post_install=None):
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def _session_tests(session: nox.sessions.Session, post_install: Callable = None) -> None:
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"""Runs py.test for a particular project."""
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if os.path.exists("requirements.txt"):
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session.install("-r", "requirements.txt")
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@nox.session(python=ALL_VERSIONS)
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def py(session):
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def py(session: nox.sessions.Session) -> None:
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"""Runs py.test for a sample using the specified version of Python."""
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if session.python in TESTED_VERSIONS:
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_session_tests(session)
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#
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def _get_repo_root():
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def _get_repo_root() -> Optional[str]:
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""" Returns the root folder of the project. """
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# Get root of this repository. Assume we don't have directories nested deeper than 10 items.
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# Get root of this repository.
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# Assume we don't have directories nested deeper than 10 items.
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p = Path(os.getcwd())
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for i in range(10):
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if p is None:
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@nox.session
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@nox.parametrize("path", GENERATED_READMES)
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def readmegen(session, path):
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def readmegen(session: nox.sessions.Session, path: str) -> None:
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"""(Re-)generates the readme for a sample."""
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session.install("jinja2", "pyyaml")
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dir_ = os.path.dirname(path)

‎run/README.md‎

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|[Cloud Pub/Sub][pubsub] | Handling Pub/Sub push messages | [<img src="https://storage.googleapis.com/cloudrun/button.svg" alt="Run on Google Cloud" height="30">][run_button_pubsub] |
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|[Cloud SQL (MySQL)][mysql] | Use MySQL with Cloud Run | - |
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|[Cloud SQL (Postgres)][postgres] | Use Postgres with Cloud Run | - |
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|[Django][django] | Deploy Django on Cloud Run | - |
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For more Cloud Run samples beyond Python, see the main list in the [Cloud Run Samples repository](https://github.com/GoogleCloudPlatform/cloud-run-samples).
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[pubsub]: pubsub/
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[mysql]: ../cloud-sql/mysql/sqlalchemy
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[postgres]: ../cloud-sql/postgres/sqlalchemy
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[django]: django/
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[run_button_helloworld]: https://deploy.cloud.run/?git_repo=https://github.com/knative/docs&dir=docs/serving/samples/hello-world/helloworld-python
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[run_button_pubsub]: https://deploy.cloud.run/?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&dir=run/pubsub
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[testing]: https://cloud.google.com/run/docs/testing/local#running_locally_using_docker_with_access_to_services

‎run/django/.gcloudignore‎

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.env

‎run/django/Dockerfile‎

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# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Use an official lightweight Python image.
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# https://hub.docker.com/_/python
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FROM python:3.8-slim
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ENV APP_HOME /app
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WORKDIR $APP_HOME
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# Removes output stream buffering, allowing for more efficient logging
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ENV PYTHONUNBUFFERED 1
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# Install dependencies
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# Copy local code to the container image.
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COPY . .
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# Run the web service on container startup. Here we use the gunicorn
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# webserver, with one worker process and 8 threads.
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# For environments with multiple CPU cores, increase the number of workers
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# to be equal to the cores available.
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CMD exec gunicorn --bind 0.0.0.0:$PORT --workers 1 --threads 8 --timeout 0 mysite.wsgi:application

‎run/django/README.md‎

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# Getting started with Django on Cloud Run
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[![Open in Cloud Shell][shell_img]][shell_link]
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[shell_img]: http://gstatic.com/cloudssh/images/open-btn.png
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[shell_link]: https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/GoogleCloudPlatform/python-docs-samples&page=editor&open_in_editor=run/django/README.md
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This repository is an example of how to run a [Django](https://www.djangoproject.com/)
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app on Google Cloud Run (fully managed).
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The Django application used in this tutorial is the [Writing your first Django app](https://docs.djangoproject.com/en/3.0/#first-steps), after completing [Part 1](https://docs.djangoproject.com/en/3.0/intro/tutorial01/) and [Part 2](https://docs.djangoproject.com/en/3.0/intro/tutorial02/).
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# Tutorial
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See our [Running Django on Cloud Run (fully managed)](https://cloud.google.com/python/django/run) tutorial for instructions for setting up and deploying this sample application.

‎run/django/cloudmigrate.yaml‎

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# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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steps:
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- id: "build image"
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name: "gcr.io/cloud-builders/docker"
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args: ["build", "-t", "gcr.io/${PROJECT_ID}/${_SERVICE_NAME}", "."]
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- id: "push image"
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name: "gcr.io/cloud-builders/docker"
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args: ["push", "gcr.io/${PROJECT_ID}/${_SERVICE_NAME}"]
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- id: "apply migrations"
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name: "gcr.io/google-appengine/exec-wrapper"
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args:
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[
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"-i",
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"gcr.io/$PROJECT_ID/${_SERVICE_NAME}",
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"-s",
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"${PROJECT_ID}:${_REGION}:${_INSTANCE_NAME}",
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"-e",
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"SETTINGS_NAME=${_SECRET_SETTINGS_NAME}",
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"--",
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"python",
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"manage.py",
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"migrate",
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]
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- id: "collect static"
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name: "gcr.io/google-appengine/exec-wrapper"
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args:
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[
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"-i",
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"gcr.io/$PROJECT_ID/${_SERVICE_NAME}",
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"-s",
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"${PROJECT_ID}:${_REGION}:${_INSTANCE_NAME}",
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"-e",
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"SETTINGS_NAME=${_SECRET_SETTINGS_NAME}",
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"--",
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"python",
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"manage.py",
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"collectstatic",
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"--no-input",
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]
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substitutions:
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_INSTANCE_NAME: django-instance
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_REGION: us-central1
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_SERVICE_NAME: polls-service
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_SECRET_SETTINGS_NAME: django-settings
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images:
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- "gcr.io/${PROJECT_ID}/${_SERVICE_NAME}"

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