![]() instead of directly referring localhost, we need to use followed by the port number. It turns out that there is a special way of accessing localhost while running docker for mac. You can prevent this by providing a name to your image which will be used as a hostname to bind the image ports to. We need a way to route the call through the host and redirect the traffic via host port 8080. # The primary container is an instance of the first image listed.īoth Postgres service images will attempt to bind to localhost:5432 and cause a conflict. docker: - image: circleci/node:4.8.2-jessie - image: postgres:11-alpine-ram - image: postgres:11-alpine-ram. ![]() ![]() With many service images you use on CircleCI, it is not possible to change the ports for the image during the job run time.ĬircleCI binds container ports to localhost automatically, and this can be an issue when multiple service containers require the same port, such as two postgres databases. ![]()
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