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Add a new vector search + Web UI example.
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‎.gitignore‎

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# Dev artifacts
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public/
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traildepot/

‎examples/blog/traildepot/.gitignore‎

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uploads/
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!migrations/
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trailbase.js
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trailbase.d.ts

‎examples/coffeesearch/.gitignore‎

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# Logs
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logs
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*.log
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npm-debug.log*
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yarn-debug.log*
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yarn-error.log*
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pnpm-debug.log*
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lerna-debug.log*
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node_modules
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dist
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dist-ssr
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*.local
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# Editor directories and files
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.vscode/*
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!.vscode/extensions.json
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.idea
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.DS_Store
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*.suo
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*.ntvs*
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*.njsproj
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*.sln
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*.sw?

‎examples/coffeesearch/Dockerfile‎

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FROM trailbase/trailbase:0.2.1 AS base
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COPY traildepot /app/traildepot
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COPY dist /app/public
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USER root
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RUN mkdir -p /app/traildepot/data
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RUN chown -R trailbase /app/traildepot/data
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RUN chmod +w /app/traildepot/data
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USER trailbase
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EXPOSE 4000
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ENTRYPOINT ["tini", "--"]
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CMD ["/app/trail", "--data-dir", "/app/traildepot", "run", "--address", "0.0.0.0:4000", "--public-dir", "/app/public"]
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HEALTHCHECK CMD curl --fail http://localhost:4000/api/healthcheck || exit 1

‎examples/coffeesearch/Makefile‎

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all: init app
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app: dist
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pnpm build
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init:
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mkdir -p traildepot/data; cat import.sql | sqlite3 traildepot/data/main.db -
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.PHONY: init

‎examples/coffeesearch/README.md‎

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# Coffee Search
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A small web application demonstrating the use of TrailBase and its vector
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search to build a coffee search.
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To import the coffee data from CSV, run:
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```bash
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mkdir -p traildepot/data
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cat import.sql | sqlite3 traildepot/data/main.db -
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```
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## Reference
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* Coffee data [source](https://github.com/jldbc/coffee-quality-database/blob/master/data/arabica_data_cleaned.csv)

‎examples/coffeesearch/arabica_data_cleaned.csv‎

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‎examples/coffeesearch/eslint.config.js‎

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import js from '@eslint/js'
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import globals from 'globals'
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import reactHooks from 'eslint-plugin-react-hooks'
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import reactRefresh from 'eslint-plugin-react-refresh'
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import tseslint from 'typescript-eslint'
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export default tseslint.config(
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{ ignores: ['dist'] },
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{
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extends: [js.configs.recommended, ...tseslint.configs.recommended],
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files: ['**/*.{ts,tsx}'],
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languageOptions: {
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ecmaVersion: 2020,
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globals: globals.browser,
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},
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plugins: {
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'react-hooks': reactHooks,
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'react-refresh': reactRefresh,
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},
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rules: {
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...reactHooks.configs.recommended.rules,
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'react-refresh/only-export-components': [
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'warn',
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{ allowConstantExport: true },
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],
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},
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},
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)

‎examples/coffeesearch/import.sql‎

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-- Create table if it doesn't exist.
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CREATE TABLE IF NOT EXISTS coffee (
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Species TEXT,
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Owner TEXT,
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Aroma REAL,
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Flavor REAL,
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Acidity REAL,
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Sweetness REAL,
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embedding BLOB
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) STRICT;
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-- Empty table for clean import.
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DELETE FROM coffee;
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-- Go on to import data.
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DROP TABLE IF EXISTS temporary;
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.mode csv
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.import arabica_data_cleaned.csv temporary
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INSERT INTO coffee (Species, Owner, Aroma, Flavor, Acidity, Sweetness)
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SELECT
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Species,
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Owner,
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CAST(Aroma AS REAL) AS Aroma,
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CAST(Flavor AS REAL) AS Flavor,
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CAST(Acidity AS REAL) AS Acidity,
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CAST(Sweetness AS REAL) AS Sweetness
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FROM temporary;
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-- Clean up.
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DROP TABLE temporary;

‎examples/coffeesearch/index.html‎

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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Coffee Search</title>
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</head>
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<body>
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<div id="root"></div>
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<script type="module" src="/src/main.tsx"></script>
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</body>
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</html>

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