chore: added makerfile to make local e2e test a breeze

added makerfile to make local e2e test a breeze:

working

improved maker file structure with output logs for debug purpose

.gitignore

@@ -35,4 +35,7 @@ lerna-debug.log*
 !.vscode/extensions.json
 
 # misc
-/.silent-pay-indexer
+/.silent-pay-indexer
+
+#e2e 
+/.logs

e2e/Makefile

@@ -0,0 +1,55 @@
+# Variables
+DOCKER_COMPOSE_FILE = helpers/docker/docker-compose.yml
+NESTJS_SERVICE_PORT = 3000
+INDEXER_TEST_CMD = npm run test:e2e 
+MAX_RETRIES = 10 # Number of retries to check if the inddexer service is up
+RETRY_INTERVAL = 5 # Seconds between retries
+PM2_CMD = npx pm2
+NPM_CMD = npm
+APP_NAME = silent-indexer
+LOG_DIR = .logs
+INDEXER_OUTPUT_LOG = $(LOG_DIR)/$(APP_NAME)-out.log
+INDEXER_ERROR_LOG = $(LOG_DIR)/$(APP_NAME)-error.log
+
+# Targets
+.PHONY: all start-bitcoind start-indexer setup test clean 
+
+# Default target
+all: setup test
+	@$(MAKE) clean
+
+# Start Docker Compose services
+start-bitcoind:
+	@echo "Starting Docker Compose services..."
+	docker compose -f $(DOCKER_COMPOSE_FILE) up -d
+
+# Start the Indexer service
+start-indexer: 
+	@echo "Starting the Indexer service with PM2..."
+	$(PM2_CMD) start $(NPM_CMD) --name $(APP_NAME) --output $(INDEXER_OUTPUT_LOG) --error $(INDEXER_ERROR_LOG) -- run start:e2e 
+
+# Wait for the Indexer service to be available before running tests
+setup: start-bitcoind start-indexer
+	@echo "Waiting for Indexer service to be ready on port $(NESTJS_SERVICE_PORT)..."
+	@count=0; \
+	while ! nc -z localhost $(NESTJS_SERVICE_PORT) && [ $$count -lt $(MAX_RETRIES) ]; do \
+		count=$$((count + 1)); \
+		echo "Waiting for service... ($$count/$(MAX_RETRIES))"; \
+		sleep $(RETRY_INTERVAL); \
+	done; \
+	if ! nc -z localhost $(NESTJS_SERVICE_PORT); then \
+		echo "Error: Service not available after $(MAX_RETRIES) retries, exiting."; \
+		exit 1; \
+	fi
+
+# Run the end-to-end tests
+test: 
+	@echo "Running end-to-end tests..."
+	$(INDEXER_TEST_CMD)
+
+# Stop all services and delete all files
+clean:
+	@echo "Stopping and removing Docker Compose services..."
+	docker compose -f $(DOCKER_COMPOSE_FILE) down -v
+	$(PM2_CMD) delete $(APP_NAME) || echo "Warning: PM2 delete command failed, but continuing..."
+	@echo "Clean up completed."

e2e/README.md

@@ -0,0 +1,39 @@
+# End-to-End Testing Setup
+
+This guide explains how to run end-to-end (E2E) tests for our Silent Indexer application using a `Makefile`. The steps include installing `make`, setting up PM2, and executing the tests.
+
+## Prerequisites
+
+- Node.js and npm must be installed on your machine. You can download them from [Node.js official website](https://nodejs.org/).
+
+## Step 1: Install `make`
+
+### On Linux
+
+Most Linux distributions come with `make` pre-installed. If not, you can install it using your package manager.
+
+For **Debian/Ubuntu**:
+
+```bash
+sudo apt-get update
+sudo apt-get install make
+```
+
+## Step 2: Install Dependencies
+
+1. Run the following command to install the npm dependencies specified in package.json:
+
+   ```bash
+      npm install
+   ```
+This command will download all the packages listed in dependencies and devDependencies from the npm registry.
+
+
+## Step 3: Run e2e
+Ensure you are in __e2e__ directory and that port 3000 is free.
+
+1. **Run the following command** to run e2e test using make:
+
+   ```bash
+   make
+   ```