Fix Swagger UI OpenAPI spec loading with dynamic base path

- Update Swagger UI to detect base path from current URL
- Copy api directory to Docker image for OpenAPI spec access
- Fixes 404 error when loading /api/openapi.yaml in production

Author: nextinterfaces

apps/semcache-service/Dockerfile

@@ -29,6 +29,9 @@ WORKDIR /app
 # Copy binary from builder
 COPY --from=builder /app/server .
 
+# Copy API documentation files
+COPY --from=builder /app/api ./api
+
 # Expose port
 EXPOSE 8080
 

apps/semcache-service/internal/handlers/swagger.go

@@ -47,8 +47,12 @@ func (h *Handler) ServeSwaggerUI(c echo.Context) error {
     <script src="https://unpkg.com/[email protected]/swagger-ui-standalone-preset.js"></script>
     <script>
         window.onload = function() {
+            // Get the base path from the current URL
+            const basePath = window.location.pathname.replace(/\/docs$/, '');
+            const specUrl = basePath + '/api/openapi.yaml';
+
             const ui = SwaggerUIBundle({
-                url: "/api/openapi.yaml",
+                url: specUrl,
                 dom_id: '#swagger-ui',
                 deepLinking: true,
                 presets: [