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by stavepan
783 days ago
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That's true. For example, in the case of PostgreSQL, there is already a tool called pg_isready [0] to do this inside a healthcheck as you described. services:
postgres-db:
image: postgres
healthcheck:
test: ["CMD-SHELL", "pg_isready -U postgres"] application:
image: image
depends_on:
postgres-db:
condition: service_healthy
However, this is not the case for other databases/services.[0] https://www.postgresql.org/docs/current/app-pg-isready.html |
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