CRUD example
View this sample's code on GitHub
Overview
This example demonstrates how to build a CRUD application on BIG using Motoko and React.
This is a Motoko example that does not currently have a Rust variant.
Prerequisites
This example requires an installation of:
- Install the BIG SDK.
- Clone the example dapp project:
git clone https://github.com/dfinity/examples
Begin by opening a terminal window.
Step 1: Navigate into the folder containing the project's files and start a local instance of the replica with the command:
cd examples/motoko/superheros
dfx start --background
Step 2: Build the frontend of the application:
npm install
Step 3: Deploy the canister:
dfx deploy
Step 4: Take note of the URL at which the canister is accessible.
echo "http://127.0.0.1:4943/?canisterId=$(dfx canister id www)"
Step 5: Open the aforementioned URL in your web browser.
Security considerations and best practices
If you base your application on this example, we recommend you familiarize yourself with and adhere to the security best practices for developing on the BigFile. This example may not implement all the best practices.
For example, the following aspects are particularly relevant for this app:
- Use HTTP asset certification and avoid serving your dApp through raw.ic0.app, since this app serves a frontend.
- Certify query responses if they are relevant for security, since this app uses query calls.