feat: db file to data directory

Dockerfile

@@ -4,10 +4,10 @@ COPY ./webui .
 RUN npm install && npm run build
 
 FROM images.local/golang:latest
+WORKDIR /app
+COPY . /app
+COPY --from=0 dist /app/webui/dist
+RUN go mod tidy && go build .
 
-COPY . .
-COPY --from=0 dist ./webui/dist
-RUN buf generate && go mod tidy && go build .
-
-EXPOSE 38080
+EXPOSE 38081
 ENTRYPOINT [ "./pastebin", "api" ]