Merge branch 'main' of github.com:codeopsbymo/grafana-alloy into main

Author: mohammadll

README.md

@@ -16,10 +16,24 @@ This repository is associated with our Grafana Alloy YouTube playlist that cover
   - All logs are sent to **Grafana Loki** via **Grafana Alloy**
 
 ### 2. Collecting Metrics
-- **Coming Soon**  
+- [Watch now: Collecting Metrics](https://www.youtube.com/watch?v=kDQ-egkmNvE)
+  - Kubernetes Pod and Service Discovery: Collecting Metrics from Pods and Services
+  - PodMonitor and ServiceMonitor Discovery: Collecting Metrics from Monitored Resources
+  - Collecting Metrics from Grafana Alloy Itself
+  - Using the Unix Exporter to Collect Hardware and OS Metrics from Unix-based Systems
+  - Using the cAdvisor Exporter to Collect Container Metrics
 
 ### 3. Collecting Traces
-- **Coming Soon**
+- [Watch now: Collecting Traces](https://www.youtube.com/watch?v=PCF5CYKirx8)
+  - Intro to tracing pipelines with Grafana Alloy
+  - Understanding traces, spans & instrumentation
+  - Manual instrumentation for a Python app
+  - Auto-instrumentation in Kubernetes with OTel Operator
+  - Deploying Tempo, Grafana & Alloy for trace collection
+  - Configuring OTLP receiver & exporter
+  - Viewing traces in Grafana
+  - Enhancing traces with processors: span, attributes, k8s attributes, filter, transform, batch
+  - Building service graphs from trace data
 
 
 ## Sections