Answer
depends_on controls startup order but doesn’t wait for health; healthchecks are needed.
Quick Answer
depends_on controls startup order — it waits for the dependent service container to start (not to be healthy or ready). So even with depends_on, a web container might start before the database is actually accepting connections. For true readiness, combine depends_on with condition: service_healthy using a healthcheck.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ