example compose.yaml, includestr styles, ignore default bind mount

compose.yaml

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+services:
+  mnemosyne:
+    container_name: mnemosyne
+    build:
+      context: .
+      target: final
+    ports:
+      - 39321:39321
+    restart: unless-stopped
+    volumes:
+      # Mnemosyne would greatly enjoy not having an ephemeral database.
+      # If you're okay with storing it side by side with the compose file,
+      # this is one way to do it. Another is to use a docker volume.
+      - ./mnemodata:/app/data
+    environment:
+      # DATABASE_URL is crucial for Mnemosyne to work; it will fail without it.
+      # point it at where you'd like your database to be.
+      - DATABASE_URL=/app/data/db.db
+      # Mnemosyne uses port 39321 for HTTP by default;
+      # - PORT=39321