[英]How to run rails app in docker container with nginx running on host machine?
[英]how to connect Rails app to docker postgres on host machine
我想像這樣運行一個 postgres 容器,沒有 docker compose,並在一個 Ruby on Rails 應用程序中連接到它:
docker run -p 5432:5432 -e POSTGRES_USER=user -e POSTGRES_PASSWORD=password -e POSTGRES_DB=myapp_development postgres:13.4
我的 database.yml 文件看起來像這樣
default: &default
adapter: postgresql
encoding: unicode
# For details on connection pooling, see rails configuration guide
# http://guides.rubyonrails.org/configuring.html#database-pooling
pool: 5
development:
<<: *default
database: myapp_development
user: user
password: password
但是,在運行應用程序時,我收到以下錯誤:
無法連接到服務器:沒有這樣的文件或目錄服務器是否在本地運行並接受 Unix 域套接字“/tmp/.s.PGSQL.5432”上的連接?
我目前不想使用 docker compose
我錯過了什么?
運行后
docker run -p 5432:5432 -e POSTGRES_USER=user -e POSTGRES_PASSWORD=password -e POSTGRES_DB=myapp_development postgres:13.4
我可以通過運行從我的終端連接 postgresql
psql -h localhost -U user myapp_development
所以,我想你只需要向database.yml
添加host
選項
default: &default
adapter: postgresql
encoding: unicode
# For details on connection pooling, see rails configuration guide
# http://guides.rubyonrails.org/configuring.html#database-pooling
pool: 5
host: localhost
development:
<<: *default
database: myapp_development
user: user
password: password
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