move heroku outside Installation
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committed by
Steve Chavez
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a6f93f55b1
commit
54bfefdb55
@@ -261,126 +261,3 @@ You can build PostgREST from source with `Stack <https://github.com/commercialha
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- `--install-ghc` flag is only needed for the first build and can be omitted in the subsequent builds.
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* Check that the server is installed: :code:`postgrest --help`.
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.. _deploy_heroku:
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Deploying to Heroku
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===================
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1. Log into Heroku using the `Heroku CLI <https://devcenter.heroku.com/articles/heroku-cli>`_:
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.. code-block:: bash
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# If you have multiple Heroku accounts, use flag '--interactive' to switch between them
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heroku login --interactive
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2. Create a new Heroku app using the PostgREST buildpack:
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.. code-block:: bash
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mkdir ${YOUR_APP_NAME}
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cd ${YOUR_APP_NAME}
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git init .
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heroku apps:create ${YOUR_APP_NAME} --buildpack https://github.com/PostgREST/postgrest-heroku.git
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heroku git:remote -a ${YOUR_APP_NAME}
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3. Create a new Heroku PostgreSQL add-on attached to the app and keep notes of the assigned add-on name (e.g. :code:`postgresql-curly-58902`) referred later as ${HEROKU_PG_DB_NAME}
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.. code-block:: bash
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heroku addons:create heroku-postgresql:standard-0 -a ${YOUR_APP_NAME}
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# wait until the add-on is available
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heroku pg:wait -a ${YOUR_APP_NAME}
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4. Create the necessary user roles according to the
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`PostgREST documentation <https://postgrest.org/en/stable/auth.html>`_:
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.. code-block:: bash
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heroku pg:credentials:create --name api_user -a ${YOUR_APP_NAME}
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# use the following command to ensure the new credential state is active before attaching it
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heroku pg:credentials -a ${YOUR_APP_NAME}
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heroku addons:attach ${HEROKU_PG_DB_NAME} --credential api_user -a ${YOUR_APP_NAME}
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5. Connect to the PostgreSQL database and create some sample data:
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.. code-block:: bash
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heroku psql -a ${YOUR_APP_NAME}
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.. code-block:: postgres
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# from the psql command prompt execute the following commands:
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create schema api;
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create table api.todos (
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id serial primary key,
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done boolean not null default false,
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task text not null,
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due timestamptz
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);
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insert into api.todos (task) values
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('finish tutorial 0'), ('pat self on back');
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grant usage on schema api to api_user;
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grant select on api.todos to api_user;
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6. Create the :code:`Procfile`:
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.. code-block:: bash
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web: PGRST_SERVER_HOST=0.0.0.0 PGRST_SERVER_PORT=${PORT} PGRST_DB_URI=${PGRST_DB_URI:-${DATABASE_URL}} ./postgrest-${POSTGREST_VER}
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..
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Set the following environment variables on Heroku:
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.. code-block:: bash
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heroku config:set POSTGREST_VER=10.0.0
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heroku config:set PGRST_DB_SCHEMA=api
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heroku config:set PGRST_DB_ANON_ROLE=api_user
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..
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PGRST_DB_URI can be set if an external database is used or if it's different from the default Heroku DATABASE_URL. This latter is used if nothing is provided.
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POSTGREST_VER is mandatory to select and build the required PostgREST release.
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See https://postgrest.org/en/stable/configuration.html#environment-variables for the full list of environment variables.
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7. Build and deploy your app:
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.. code-block:: bash
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git add Procfile
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git commit -m "PostgREST on Heroku"
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git push heroku master
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..
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Your Heroku app should be live at :code:`${YOUR_APP_NAME}.herokuapp.com`
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8. Test your app
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From a terminal display the application logs:
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.. code-block:: bash
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heroku logs -t
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..
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From a different terminal retrieve with curl the records previously created:
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.. code-block:: bash
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curl https://${YOUR_APP_NAME}.herokuapp.com/todos
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..
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and test that any attempt to modify the table via a read-only user is not allowed:
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.. code-block:: bash
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curl https://${YOUR_APP_NAME}.herokuapp.com/todos -X POST \
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-H "Content-Type: application/json" \
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-d '{"task": "do bad thing"}'
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