format headers in python and other small tweaks (#148)

* bump dependencies

* remove if

.gitignore

@@ -105,4 +105,7 @@ com_crashlytics_export_strings.xml
 crashlytics.properties
 crashlytics-build.properties
 
+# Used by direnv plugin
+.direnv
+.envrc
 # Created by .ignore support plugin (hsz.mobi)

.pre-commit-config.yaml

@@ -3,5 +3,5 @@ repos:
     rev: stable
     hooks:
     - id: black
-      language_version: python3.7
+      language_version: python3.11
 

docker-compose.yml

@@ -0,0 +1,48 @@
+version: '3'
+
+services:
+  postgres11:
+    image: postgres:11.18-alpine
+    command: postgres -c shared_preload_libraries=pg_stat_statements
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: ecto_psql_extras_test
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - '5441:5432'
+  postgres12:
+    image: postgres:12.13-alpine
+    command: postgres -c shared_preload_libraries=pg_stat_statements
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: ecto_psql_extras_test
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - '5442:5432'
+  postgres13:
+    image: postgres:13.3-alpine
+    command: postgres -c shared_preload_libraries=pg_stat_statements
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: ecto_psql_extras_test
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - '5443:5432'
+  postgres14:
+    image: postgres:14.6-alpine
+    command: postgres -c shared_preload_libraries=pg_stat_statements
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: ecto_psql_extras_test
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - '5444:5432'
+  postgres15:
+    image: postgres:15.1-alpine
+    command: postgres -c shared_preload_libraries=pg_stat_statements
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_DB: ecto_psql_extras_test
+      POSTGRES_PASSWORD: postgres
+    ports:
+      - '5445:5432'