refactor: Add Postgres service

.env.example

@@ -5,6 +5,12 @@
 # Runtime environment. Valid values are: production, development.
 ROMDEX_ENV=development
 
+# Database
+ROMDEX_DB_HOST=romdex-db
+ROMDEX_DB_USER=postgres
+ROMDEX_DB_PASSWORD=postgres
+ROMDEX_DB_DATABASE=postgres
+
 ######
 # Deno
 ######
@@ -17,3 +23,12 @@ DENO_DIR=/var/cache/deno
 #######
 
 FRESH_NO_UPDATE_CHECK=true
+
+##########
+# Postgres
+##########
+
+POSTGRES_HOST=romdex-db
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_DB=postgres

compose.yaml

@@ -5,6 +5,8 @@ volumes:
     external: true
   deno-cache:
     external: true
+  romdex-db-data:
+    external: true
 
 services:
   romdex:
@@ -29,3 +31,12 @@ services:
       - ./tailwind.config.ts:/app/tailwind.config.ts:ro
       - deno-cache:/var/cache/deno
       - romdex-data:/app/data
+
+  romdex-db:
+    container_name: romdex-db
+    image: docker.io/library/postgres:17-alpine
+    env_file: .env.development.local
+    ports:
+      - "5432:5432"
+    volumes:
+      - romdex-db-data:/var/lib/postgresql/data