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Make db_url optional (#402)

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Wazarr 2023-01-31 05:38:48 +01:00 committed by GitHub
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4 changed files with 15 additions and 4 deletions
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9
docker-example/README.md
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@ -1,10 +1,13 @@
# Pynecone Container Image Build # Pynecone Container Image Build
This example describes how to create and use a container image for Pynecone with your own code. This example describes how to create and use a container image for Pynecone with your own code.
## Update Requirements ## Update Requirements
The `requirements.txt` includes the pynecone-io package which is need to install Pynecone framework. If you use additional packages in your project you have add this in the `requirements.txt` first. Copy the `Dockerfile` and the `requirements.txt` file in your project folder. The `requirements.txt` includes the pynecone-io package which is need to install Pynecone framework. If you use additional packages in your project you have add this in the `requirements.txt` first. Copy the `Dockerfile` and the `requirements.txt` file in your project folder.
## Customize Pynecone Config ## Customize Pynecone Config
The `pcconfig.py` includes the configuration of your Pynecone service. Edit the file like the following configuration. If you want to use a custom database you can set the endpoint in this file. The `pcconfig.py` includes the configuration of your Pynecone service. Edit the file like the following configuration. If you want to use a custom database you can set the endpoint in this file.
```python ```python
@ -18,7 +21,8 @@ config = pc.Config(
) )
``` ```
## Build Pyonecone Container Image ## Build Pynecone Container Image
To build your container image run the following command: To build your container image run the following command:
```bash ```bash
@ -26,8 +30,9 @@ docker build -t pynecone-project:latest .
``` ```
## Start Container Service ## Start Container Service
Finally, you can start your Pynecone container service as follows: Finally, you can start your Pynecone container service as follows:
```bash ```bash
docker run -d -p 3000:3000 -p 8000:8000 --name pynecone pynecone:latest docker run -d -p 3000:3000 -p 8000:8000 --name pynecone pynecone:latest
``` ```

3
pynecone/app.py
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@ -302,7 +302,8 @@ class App(Base):
return return
# Create the database models. # Create the database models.
Model.create_all() if config.db_url is not None:
Model.create_all()
# Empty the .web pages directory # Empty the .web pages directory
compiler.purge_web_pages_dir() compiler.purge_web_pages_dir()

2
pynecone/config.py
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@ -22,7 +22,7 @@ class Config(Base):
api_url: str = constants.API_URL api_url: str = constants.API_URL
# The database url. # The database url.
db_url: str = constants.DB_URL db_url: Optional[str] = constants.DB_URL
# The redis url. # The redis url.
redis_url: Optional[str] = None redis_url: Optional[str] = None

5
pynecone/model.py
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@ -11,8 +11,13 @@ def get_engine():
Returns: Returns:
The database engine. The database engine.
Raises:
ValueError: If the database url is None.
""" """
url = utils.get_config().db_url url = utils.get_config().db_url
if url is None:
raise ValueError("No database url in config")
return sqlmodel.create_engine(url, echo=False) return sqlmodel.create_engine(url, echo=False)