overhaul

migrations/020_compose_templates.sql

@@ -0,0 +1,49 @@
+-- Store pure Docker Compose templates and CasaOS-style catalog metadata.
+ALTER TABLE service_templates
+    ADD COLUMN IF NOT EXISTS compose_yaml TEXT,
+    ADD COLUMN IF NOT EXISTS screenshots JSONB DEFAULT '[]'::jsonb;
+
+UPDATE service_templates
+SET screenshots = '[]'::jsonb
+WHERE screenshots IS NULL;
+
+CREATE INDEX IF NOT EXISTS idx_service_templates_screenshots_gin ON service_templates USING gin(screenshots);
+
+-- Convert older built-in JSON templates into Compose-backed templates so the catalog has one format.
+UPDATE service_templates
+SET
+    compose_yaml = CONCAT(
+        'name: ', lower(regexp_replace(name, '[^a-zA-Z0-9]+', '-', 'g')), E'\n\n',
+        'x-containr:', E'\n',
+        '  name: ', name, E'\n',
+        '  description: ', COALESCE(NULLIF(description, ''), 'Self-hosted app template.'), E'\n',
+        '  category: ', category, E'\n\n',
+        'services:', E'\n',
+        '  app:', E'\n',
+        '    image: ${IMAGE:-', COALESCE(NULLIF(config->>'runtime', ''), 'alpine'), '}', E'\n',
+        CASE
+            WHEN NULLIF(config->>'start_command', '') IS NOT NULL
+            THEN CONCAT('    command: "', replace(config->>'start_command', '"', '\"'), '"', E'\n')
+            ELSE ''
+        END,
+        CASE
+            WHEN config ? 'port'
+            THEN CONCAT('    ports:', E'\n', '      - "${PORT:-', config->>'port', '}:', config->>'port', '"', E'\n')
+            ELSE ''
+        END
+    ),
+    config = jsonb_build_object(
+        'type', 'compose',
+        'format', 'docker-compose',
+        'service_count', 1,
+        'services', jsonb_build_array(jsonb_build_object(
+            'name', 'app',
+            'type', COALESCE(NULLIF(config->>'type', ''), 'web'),
+            'image', COALESCE(NULLIF(config->>'runtime', ''), 'alpine'),
+            'ports', CASE
+                WHEN config ? 'port' THEN jsonb_build_array(CONCAT('${PORT:-', config->>'port', '}:', config->>'port'))
+                ELSE '[]'::jsonb
+            END
+        ))
+    )
+WHERE compose_yaml IS NULL OR compose_yaml = '';