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65 lines
2.1 KiB
ReStructuredText
65 lines
2.1 KiB
ReStructuredText
.. meta::
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:description: Auto-apply migrations and metadata when the server starts
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:keywords: hasura, docs, auto-apply, migration, metadata, server
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.. _auto_apply_migrations_v1:
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Auto-apply migrations/metadata when the server starts (config v1)
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=================================================================
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.. contents:: Table of contents
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:backlinks: none
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:depth: 1
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:local:
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Hasura ships a special Docker container which can be used to
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automatically apply migrations/metadata when the server starts:
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.. code-block:: bash
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hasura/graphql-engine:<version>.cli-migrations
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.. note::
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This container image includes the Hasura CLI at ``/bin/hasura-cli`` and can be
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used for running any other CI/CD scripts in your workflow.
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Applying migrations
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-------------------
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The ``migrations`` directory created by the Hasura CLI (the one next to
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``config.yaml``) can be mounted at the ``/hasura-migrations`` path of this Docker
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container and the container's entry point script will apply the migrations before
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starting the server. If no directory is mounted at the designated path, the server
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will start ignoring migrations.
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If you want to mount the migrations directory at some location other than
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``/hasura-migrations``, set the following environment variable:
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.. code-block:: bash
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HASURA_GRAPHQL_MIGRATIONS_DIR=/custom-path-for-migrations
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Once the migrations are applied, the container resumes operation as a normal
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Hasura GraphQL engine server.
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Example:
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.. code-block:: bash
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# Start Hasura after applying the migrations present in /home/me/my-project/migrations
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docker run -p 8080:8080 \
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-v /home/me/my-project/migrations:/hasura-migrations \
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-e HASURA_GRAPHQL_DATABASE_URL=postgres://postgres:@postgres:5432/postgres \
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hasura/graphql-engine:v1.1.0.cli-migrations
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.. _auto_apply_metadata_v1:
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Applying only metadata
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----------------------
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If you're managing migrations with a different tool and want to use this image to apply only the
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metadata, mount a directory with just a ``metadata.yaml`` file and the script will
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apply the metadata.
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