Coffee search example: rebuild db during docker build and add more do…

…cumentation.

examples/README.md

@@ -22,6 +22,10 @@ A simple styled Blog example with UIs both for web and Flutter:
   </picture>
 </p>
 
+#### Coffee Search
+
+A very small web app demonstrating vector search and custom JS/TS endpoints.
+
 #### First App Tutorial
 
 The code for the [tutorial](https://trailbase.io/getting-started/first-app).

examples/coffeesearch/Dockerfile

@@ -1,15 +1,24 @@
-FROM trailbase/trailbase:0.2.1 AS base
-
-COPY traildepot /app/traildepot
-COPY dist /app/public
+FROM trailbase/trailbase:0.2.2 AS base
 
 USER root
 
-RUN mkdir -p /app/traildepot/data
-RUN chown -R trailbase /app/traildepot/data
-RUN chmod +w /app/traildepot/data
+RUN apk add --no-cache sqlite
 
+# TODO: Add a dedicated build step, both for (re)building the database and
+# building the web app.
 
+COPY dist /app/public
+COPY traildepot /app/traildepot
+COPY arabica_data_cleaned.csv /app/
+COPY import.sql /app/
+
+# Rebuild the database.
+WORKDIR /app
+RUN mkdir -p /app/traildepot/data
+RUN rm -rf /app/traildepot/data/*
+RUN cat import.sql | sqlite3 traildepot/data/main.db
+
+RUN chown -R trailbase /app/traildepot/data
 USER trailbase
 
 EXPOSE 4000

examples/coffeesearch/README.md

@@ -6,8 +6,21 @@ search to build a coffee search.
 To import the coffee data from CSV, run:
 
 ```bash
-  mkdir -p traildepot/data
-  cat import.sql | sqlite3 traildepot/data/main.db -
+$ mkdir -p traildepot/data
+$ cat import.sql | sqlite3 traildepot/data/main.db -
+```
+
+To build the web app
+
+```bash
+$ pnpm i
+$ pnpm build
+```
+
+Finally, to build the docker container:
+
+```
+$ docker build . -t coffee && docker run -p 4001:4000 coffee
 ```
 
 ## Reference

examples/coffeesearch/traildepot/scripts/index.ts

@@ -19,7 +19,7 @@ addRoute(
     FROM
       coffee
     WHERE
-      Aroma IS NOT NULL
+      embedding IS NOT NULL
     ORDER BY
       vector_distance_cos(embedding, '[${aroma}, ${flavor}, ${acidity}, ${sweetness}]')
     LIMIT 100