Implement a standalone datasource gateway

.dockerignore

@@ -0,0 +1,11 @@
+# Keep the Docker build context small for the Go-service images
+# (config-manager, datasource-gateway). These builds only need the
+# Makefile, Go sources, and configs — not JS deps, build artifacts, or VCS.
+.git
+.gitignore
+**/node_modules
+**/dist
+bin
+data
+temp_path
+*.log

Makefile

@@ -1,13 +1,23 @@
 .PHONY: build clean test lint help
 
 # Default target: Build all services
-build: build-cm
+build: build-cm build-gateway
 
 # Build the config-manager service
 build-cm:
 	@echo "Building config-manager service..."
 	@cd config-manager && go build -o ../bin/config-manager .
 
+# Build the datasource-gateway service
+build-gateway:
+	@echo "Building datasource-gateway service..."
+	@cd datasource-gateway && go build -o ../bin/datasource-gateway .
+
+# Build the datasource-gateway service docker image (standalone compose project)
+build-gateway-docker: build-gateway
+	@echo "Building datasource-gateway service docker image..."
+	@docker compose -f deployments/docker/compose.datasource-gateway.yml up --build -d
+
 # Build the config-manager service docker image
 build-cm-docker: build-cm
 	@echo "Building config-manager service docker image..."
@@ -27,28 +37,15 @@ build-plugin:
 	mage
 
 # Build the grafana-app plugin docker image
-build-plugin-docker: build-plugin move-datasource-build-artifacts
+build-plugin-docker: build-plugin
 	@echo "Building cbmonitor grafana-app plugin docker image..."
 	@cd cbmonitor && npm run server
 
 # Rebuild plugin locally and restart container to pick up changes
-reload-plugin: build-plugin move-datasource-build-artifacts
+reload-plugin: build-plugin
 	@echo "Restarting cbmonitor container to load plugin changes..."
 	@docker restart cbmonitor
 
-# Build the datasource plugin
-build-couchbase-datasource:
-	@cd mfork-grafana-plugin && cd couchbase-datasource && \
-    yarn install && \
-    yarn build && \
-    mage -v
-
-# Move the datasource build artifacts to the cbmonitor dist directory
-move-datasource-build-artifacts:
-	@echo "Moving datasource build artifacts..."
-	@mkdir -p cbmonitor/dist/couchbase-datasource/
-	@cp -r mfork-grafana-plugin/couchbase-datasource/dist/* cbmonitor/dist/couchbase-datasource/
-
 # Clean build artifacts
 clean-cm:
 	@echo "Cleaning config-manager service build artifacts..."
@@ -71,6 +68,8 @@ help:
 	@echo "  build       		- Build all services"
 	@echo "  build-cm    		- Build config-manager service"
 	@echo "  build-cm-docker 	- Build config-manager service docker image"
+	@echo "  build-gateway 		- Build datasource-gateway service"
+	@echo "  build-gateway-docker 	- Build datasource-gateway service docker image"
 	@echo "  build-plugin 		- Build cbmonitor grafana-app plugin"
 	@echo "  build-plugin-docker 	- Build cbmonitor grafana-app plugin docker image"
 	@echo "  reload-plugin      - Rebuild plugin and restart container"

cbmonitor/.config/docker-compose-base.yaml

@@ -25,7 +25,6 @@ services:
       - ../dist:/var/lib/grafana/plugins/cbmonitor
       - ../provisioning:/etc/grafana/provisioning
       - ..:/root/cbmonitor
-      - ../../couchbase-datasource/couchbase-datasource/dist:/var/lib/grafana/plugins/couchbase-datasource
       - ../../test-dashboards:/var/lib/grafana/dashboards
 
     environment:
@@ -43,9 +42,8 @@ services:
       GF_AUTH_MANAGED_SERVICE_ACCOUNTS_ENABLED: 'true'
       GF_FEATURE_TOGGLES_ENABLE: ${GF_FEATURE_TOGGLES_ENABLE:-externalServiceAccounts}
 
-      # Couchbase credentials are consumed by:
-      # 1. provisioning/datasources/datasource.yaml (couchbase-datasource plugin)
-      # 2. provisioning/plugins/apps.yaml
+      # Couchbase credentials are consumed by provisioning/plugins/apps.yaml
+      # (the cbmonitor app jsonData).
       COUCHBASE_CONNECTION_STRING: ${COUCHBASE_CONNECTION_STRING:-couchbase://host.docker.internal:8091}
       COUCHBASE_USERNAME: ${COUCHBASE_USERNAME:-Administrator}
       COUCHBASE_PASSWORD: ${COUCHBASE_PASSWORD:-password}