[misc] align initializing of mongodb replica set (#24287)

* [misc] align initializing of mongodb replica set

* [misc] fix volumes for mono container in dev-env

* Remove duplicate volumes key

---------

Co-authored-by: Alf Eaton <alf.eaton@overleaf.com>
GitOrigin-RevId: 0119c42ee8b13a0fca9373e40a27fc5b2a52d73b

develop/README.md

@@ -11,12 +11,6 @@ bin/build
 > [!NOTE]
 > If Docker is running out of RAM while building the services in parallel, create a `.env` file in this directory containing `COMPOSE_PARALLEL_LIMIT=1`.
 
-Next, initialize the database:
-
-```shell
-bin/init
-```
-
 Then start the services:
 
 ```shell

develop/bin/init

@@ -1,6 +0,0 @@
-#!/usr/bin/env bash
-
-docker compose up --detach mongo
-curl --max-time 10 --retry 5 --retry-delay 5 --retry-all-errors --silent --output /dev/null localhost:27017
-docker compose exec mongo mongosh --eval "rs.initiate({ _id: 'overleaf', members: [{ _id: 0, host: 'mongo:27017' }] })"
-docker compose down mongo

develop/docker-compose.yml

@@ -94,6 +94,14 @@ services:
       - "127.0.0.1:27017:27017" # for debugging
     volumes:
       - mongo-data:/data/db
+      - ../bin/shared/mongodb-init-replica-set.js:/docker-entrypoint-initdb.d/mongodb-init-replica-set.js
+    environment:
+      MONGO_INITDB_DATABASE: sharelatex
+    extra_hosts:
+      # Required when using the automatic database setup for initializing the
+      # replica set. This override is not needed when running the setup after
+      # starting up mongo.
+      - mongo:127.0.0.1
 
   notifications:
     build: