I have postgres running in a Docker container on OSx. At first I tried connecting to it locally. I started the container with:
docker run -i -d -h localhost -p 5432:5432 --name some-postgres -t my-postgres:9.6 postgres
After some digging, I found out that you cannot connect to it over localhost
on OSx, you need to connect to the ip address that docker is using internally. So I used docker-machine
to create a vm at 192.168.99.100:2376
. However, I am still unable to connect to postgres over 192.168.99.100:5432
. What am I missing? Any help would be greatly appreciated.
Here's a working example of how to launch Postgres using Docker for Mac. It's similar to your example.
Note that this is not docker-machine, so maybe networking works differently.
docker run --rm -it \
-p 5432:5432 \
-e POSTGRES_USER=user-ms \
-e POSTGRES_PASSWORD=12345 \
postgres
I tried establishing connections to it from the Docker host…
Localhost worked:
psql --user user-ms -h localhost
And the local IP address worked also:
psql --user user-ms -h "$(ifconfig \
| grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" \
| grep -v 127.0.0.1 \
| awk '{ print $2 }' \
| cut -f2 -d: \
| head -n1)"
如果您有适用于Mac的Docker,则它应该可以在localhost
正常运行: https : //docs.docker.com/docker-for-mac/networking/#use-cases-and-workarounds
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