How to edit files in the browser on a fresh install?

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1

I’ve got a fresh installed in a docker container. How do I edit files in the browser?

Collabora and a whole bunch of apps are installed by default, but there is no way to actually use them in the dashboard.

When I click on a file it prompts me to download, right-click shows no edit options

nextcloud4

Using the following docker compose file:

services:
  db:
    image: mariadb
    restart: always
    command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW
    volumes:
      - /opt/nextcloud/db:/var/lib/mysql
    environment:
      - MYSQL_ROOT_PASSWORD=<password>
      - MYSQL_PASSWORD=<password>
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=<user>
    command:
      - --innodb-read-only-compressed=OFF

  app:
    image: nextcloud
    restart: always
    ports:
      - 8080:80
    links:
      - db
    volumes:
      - /opt/nextcloud/www:/var/www/html
    environment:
      - MYSQL_PASSWORD=<password>
      - MYSQL_DATABASE=nextcloud
      - MYSQL_USER=central_local
      - MYSQL_HOST=db