Initial commit: Meshkee CMS API

NestJS backend with Prisma, Docker Compose for Postgres/Redis, and deploy docs for the production VM.

database/migrations/016_product_variation_values.sql

@@ -0,0 +1,20 @@
+-- Product-level variation value selections (which category options apply to a product).
+-- Store item variants are created later from these values.
+
+CREATE TABLE product_variation_values (
+  product_id    BIGINT NOT NULL,
+  variation_id  BIGINT NOT NULL,
+  option_id     BIGINT NOT NULL,
+  created_at    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+
+  CONSTRAINT product_variation_values_pkey PRIMARY KEY (product_id, option_id),
+  CONSTRAINT product_variation_values_product_id_fkey
+    FOREIGN KEY (product_id) REFERENCES products (id) ON DELETE CASCADE,
+  CONSTRAINT product_variation_values_variation_id_fkey
+    FOREIGN KEY (variation_id) REFERENCES category_variations (id) ON DELETE RESTRICT,
+  CONSTRAINT product_variation_values_option_id_fkey
+    FOREIGN KEY (option_id) REFERENCES category_variation_options (id) ON DELETE RESTRICT
+);
+
+CREATE INDEX idx_product_variation_values_variation_id
+  ON product_variation_values (variation_id);