fix duckdb filename, add db file and gitignore cleanup

- Dockerfile + start.sh: use basedosdados.duckdb (not basedosdados3.duckdb)
- add basedosdados.duckdb (3.5 MB, needed for Docker build)
- add requirements.txt (local dev use)
- .gitignore: remove *.duckdb exclusion, add .DS_Store

.gitignore

@@ -1,6 +1,5 @@
 .env
+.DS_Store
 logs/
-*.duckdb
-*.duckdb.wal
 done_tables.txt
 done_transfers.txt

Dockerfile

@@ -14,7 +14,7 @@ RUN apt-get update -qq && \
 
 WORKDIR /app
 
-COPY basedosdados3.duckdb Caddyfile start.sh ./
+COPY basedosdados.duckdb Caddyfile start.sh ./
 RUN chmod +x start.sh
 
 EXPOSE 8080

requirements.txt

@@ -0,0 +1,3 @@
+duckdb
+boto3
+python-dotenv

start.sh

@@ -17,4 +17,4 @@ echo "[start] Starting Caddy..."
 caddy start --config /app/Caddyfile --adapter caddyfile
 
 echo "[start] Starting DuckDB UI..."
-exec duckdb --ui -init "$INIT" basedosdados3.duckdb
+exec duckdb --ui -init "$INIT" basedosdados.duckdb