Correct docker-compose.yml file and add a corresponding note in the doc. (#1906)

* Add a docker compose example.

Using postgresql and with traefik specific labels.

* Added docker-compose specific documentation.

* Move docker-compose section at the end of the README.md.

* Correct docker-compose.yml file and add a corresponding note in the doc.

* Typo in doc.

1 files changed, 2 insertions, 1 deletions

diff --git a/Docker/README.md b/Docker/README.md
index 381adab38..133e7c3b8 100644
--- a/Docker/README.md
+++ b/Docker/README.md
@@ -160,11 +160,12 @@ with HTTPS, for instance using [Let’s Encrypt](https://letsencrypt.org/).
 
 A [docker-compose.yml](docker-compose.yml) file is given as an example, using PostgreSQL. In order to use it, you have to adapt:
 - In the `postgresql` service:
-	* the `volumes` section;
+	* the `volumes` section. Be careful to keep the path `/var/lib/postgresql/data` for the container. If the path is wrong, you will not get any error but your db will be gone at the next run;
 	* the `POSTGRES_PASSWORD` in the `environment` section;
 - In the `freshrss` service:
 	* the `volumes` section;
 	* options under the `labels` section are specific to [Træfik](https://traefik.io/), a reverse proxy. If you are not using it, feel free to delete this section. If you are using it, adapt accordingly to your config, especially the `traefik.frontend.rule` option.
+	* the `environment` section to adapt the strategy to update feeds.
 
 You can then launch the stack (postgres + freshrss) with:
 ```sh