I'm running a Redmine container that needs to connect to a SQL Server on my Windows local machine, but it's having issues with the connection. I used this command to start my container:
`docker run -d --name redmine-sqlserver -p 8090:3000
-e REDMINE_DB_SQLSERVER=192.168.1.16
-e REDMINE_DB_PORT=1433
-e REDMINE_DB_DATABASE=redmine
-e REDMINE_PLUGINS_MIGRATE=1
-e REDMINE_DB_USERNAME=aselsan
-e REDMINE_DB_PASSWORD=xxxxxxxxxxxxxx
neydju/redmine:v2`
I've checked everything, including firewall settings and SQL Server security, and I can connect to the SQL Server instance with SQL Server Management Studio (SSMS). However, when I run the container with MySQL, it works fine, but with SQL Server, it's not connecting at all. I'm pretty lost here!
3 Answers
You might also want to verify how your Docker network is configured. If the Redmine container is trying to reach the SQL Server using Docker's internal networking, it might not recognize the host's IP. Make sure your setup allows for communication between the container and your host's SQL Server. If all else fails, running Docker in a lightweight VM instead of directly on Windows could also ease your headaches with networking issues.
Is your container even starting correctly? Check if it’s reporting any errors when boots up. If your container is running successfully, try checking the logs for any hints about connection issues. Sometimes applications default to using a different database when they can’t access the specified one, like how yours falls back to sqlite.
Yeah, the logs can be a goldmine for debugging these kinds of issues. It's worth looking into!
It sounds like your container might not be connecting to the SQL Server for a couple of reasons. First, ensure that the host (192.168.1.16) is accessible from within the container. Since you’ve verified that your SQL Server is running and accessible using the command line, it seems the connection is fine outside the container. Just make sure the SQL Server is set to allow remote connections. Also, double-check that the container is not in a network that isolates it from your host.
Also, checking the firewall rules can help. Sometimes, SQL Server can block incoming connections. Make sure that port 1433 is allowed.
That's a solid point! Using a VM can help with network bridging, especially with SQL Server.