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fix:updated README #6

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28 changes: 24 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
# Localmongo

Local mongo replicaset running mongo:4.2-bionic for development using docker-compose.
Local mongo replicaset running mongo:4.2-bionic/4.4-bionic for development using docker-compose.

## Setup

Switch to the directory of the version you want, and run:

```
docker-compose up
docker-compose up -d
```

This should bring up 3 containers of mongodb, running a replicaset called `rs0`.
Expand All @@ -23,6 +23,8 @@ docker-compose rm

In your main application, you need to adjust your docker-compose in order for your application to be able to connect to the mongo containers. Use the below template of docker-compose.yml:

### For 4.2-bionic

```
version: "3"
services:
Expand All @@ -38,12 +40,30 @@ services:
networks:
localmongo:
external:
name: localmongo_default
name: 42_default
```
### For 4.4-bionic

```
version: "3"
services:
app:
build: .
networks:
- default
- localmongo
external_links:
- localmongo1:mongo1
- localmongo2:mongo2
- localmongo3:mongo3
networks:
localmongo:
external:
name: 44_default
```
## Troubleshooting

Assuming you clone this repo into a folder called `localmongo`, upon running docker-compose, docker will create a network called `localmongo_default`. You can view this by running `docker network ls`, and also by inspecting `docker inspect localmongo1`.
Assuming you run `docker-compose up` inside the 4.4 folder, docker will create a network called `44_default`. You can view this by running `docker network ls`, and also by inspecting `docker inspect localmongo1`.

In the application's docker-compose.yml, we are specifying that the app must join 2 networks: the `default` one, as well as `localmongo` network, which is declared at the end of the file, pointing to an external network `localmongo_default`.

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