chore: add docker-compose for local postgres container

.tool-versions

@@ -1,4 +1,3 @@
 elixir 1.18.3-otp-27
-postgres 17.2
 erlang 27.3
 just 1.40.0

Justfile

@@ -1,4 +1,4 @@
-run: install-dependencies migrate-database
+run: install-dependencies start-database migrate-database
     mix phx.server
 
 install-dependencies:
@@ -10,6 +10,9 @@ migrate-database:
 reset-database:
     mix ash.reset
 
+start-database:
+    docker compose up -d
+
 ci-dev: lint audit test
 
 lint:

config/dev.exs

@@ -5,6 +5,7 @@ config :mv, Mv.Repo,
   username: "postgres",
   password: "postgres",
   hostname: "localhost",
+  port: 5000,
   database: "mv_dev",
   stacktrace: true,
   show_sensitive_data_on_connection_error: true,

docker-compose.yml

@@ -0,0 +1,25 @@
+version: "3.5"
+
+services:
+  db:
+    image: postgres:17.2-alpine
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: mv_dev
+    volumes:
+      - type: volume
+        source: postgres-data
+        target: /var/lib/postgresql/data
+        volume:
+          nocopy: true
+    ports:
+      - "5000:5432"
+    networks:
+      - local
+
+networks:
+  local:
+
+volumes:
+  postgres-data: