使用 helm 部署 postgres#

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# 使用 helm v2 部署
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$ helm install stable/postgresql
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# 使用 helm v3 部署
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$ helm install postgres stable/postgresql
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NAME: postgres
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LAST DEPLOYED: 2019-10-21 20:33:59.742081417 +0800 CST m=+2.283315306
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NAMESPACE: default
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STATUS: deployed
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NOTES:
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** Please be patient while the chart is being deployed **
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PostgreSQL can be accessed via port 5432 on the following DNS name from within your cluster:
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    postgres-postgresql.default.svc.cluster.local - Read/Write connection
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To get the password for "postgres" run:
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    export POSTGRES_PASSWORD=$(kubectl get secret --namespace default postgres-postgresql -o jsonpath="{.data.postgresql-password}" | base64 --decode)
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To connect to your database run the following command:
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    kubectl run postgres-postgresql-client --rm --tty -i --restart='Never' --namespace default --image docker.io/bitnami/postgresql:11.5.0-debian-9-r60 --env="PGPASSWORD=$POSTGRES_PASSWORD" --command -- psql --host postgres-postgresql -U postgres -p 5432
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To connect to your database from outside the cluster execute the following commands:
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    kubectl port-forward --namespace default svc/postgres-postgresql 5432:5432 &
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    PGPASSWORD="$POSTGRES_PASSWORD" psql --host 127.0.0.1 -U postgres -p 5432