fix Hasura section in README, fix secrets.env.example (#22)

Author: droserasprout

README.md

@@ -227,19 +227,21 @@ Template values mapping could be accessed from within handlers at `ctx.template_
 
 ### Optional: configure Hasura GraphQL Engine
 
-`init` command generates Hasura metadata JSON in the package root. You can use `configure-graphql` command to apply it to the running GraphQL Engine instance:
+When using PostgreSQL as a storage solution you can use Hasura integration to get GraphQL API out-of-the-box. Add the following section to your config, Hasura will be configured automatically when you run your indexer.
 
-```shell
-$ dipdup -c config.yml configure-graphql --url http://127.0.0.1:8080 --admin-secret changeme
+```yaml
+hasura:
+  url: http://hasura:8080
+  admin_secret: changeme
 ```
 
-Or if using included `docker-compose.yml` example:
+When using included docker-compose example make sure you run Hasura first:
 
 ```shell
-$ docker-compose up -d graphql-engine
-$ docker-compose up configure-graphql
+$ docker-compose up -d hasura
 ```
 
+Then run your indexer and navigate to `127.0.0.1:8080`.
 
 ### Optional: configure logging
 

secrets.env.example

@@ -1,7 +1,3 @@
-HEN_OBJKTS=KT1Hkg5qeNhfwpKW4fXvq7HGZB9z2EnmCCA9
-HEN_MINTER=KT1RJ6PbjHpwc3M5rw5s2Nbmefwbuwbdxton
-TZKT_URL=https://staging.api.tzkt.io
-
 POSTGRES_USER=dipdup
 POSTGRES_DB=dipdup
 POSTGRES_PASSWORD=changeme

src/demo_registrydao/dipdup-docker.yml

@@ -0,0 +1,43 @@
+spec_version: 0.0.1
+package: demo_registrydao
+
+database:
+  kind: postgres
+  host: db
+  port: 5432
+  user: dipdup
+  password: changeme
+  database: dipdup
+  schema_name: registrydao
+
+hasura:
+  url: http://hasura:8080
+  admin_secret: changeme
+
+contracts:
+  registry:
+    address: KT1QMdCTqzmY4QKHntV1nZEinLPU1GbxUFQu
+    typename: registry
+
+datasources:
+  tzkt:
+    kind: tzkt
+    url: ${TZKT_URL:-https://staging.api.edo2net.tzkt.io}
+
+templates:
+
+  registry_dao:
+    kind: operation
+    datasource: tzkt
+    contract: <contract>
+    handlers:
+      - callback: on_propose
+        pattern:
+          - destination: <contract>
+            entrypoint: propose
+
+indexes:
+  registry:
+    template: registry_dao
+    values:
+      contract: registry

src/demo_registrydao/dipdup.yml

@@ -3,7 +3,7 @@ package: demo_registrydao
 
 database:
   kind: sqlite
-  path: db.sqlite3
+  path: registrydao.sqlite3
 
 contracts:
   registry: