fix(elixir): missing release files

docker-compose.yml.example

@@ -0,0 +1,39 @@
+services:
+  db:
+    image: postgres:15
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+      POSTGRES_DB: components_elixir_prod
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  app:
+    build: .
+    ports:
+      - "4000:4000"
+    environment:
+      DATABASE_URL: "ecto://postgres:postgres@db:5432/components_elixir_prod"
+      SECRET_KEY_BASE: "your-secret-key-here"  # Generate with: mix phx.gen.secret
+      PHX_HOST: "localhost"
+      PHX_SERVER: "true"
+      PORT: "4000"
+    depends_on:
+      db:
+        condition: service_healthy
+    command:
+      [
+        "/bin/sh",
+        "-c",
+        "/app/bin/components_elixir eval 'ComponentsElixir.Release.migrate' && /app/bin/components_elixir start",
+      ]
+
+volumes:
+  postgres_data: