created docker-prometheus compose file and edited the Prometheus yml file

prom/documentation/examples/prometheus-kubernetes.yml

@@ -0,0 +1,33 @@
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  evaluation_interval: 15s # By default, scrape targets every 15 seconds.
+  scrape_timeout: 10s
+
+scrape_configs:
+- job_name: 'kubernetes'
+
+  kubernetes_sd_configs:
+  - server: 'https://kubernetes.default.svc'
+    in_cluster: true
+
+  relabel_configs:
+  - source_labels: [__meta_kubernetes_node, __meta_kubernetes_service_annotation_prometheus_io_scrape]
+    action: keep
+    regex: ^(?:.+;|;true)$
+  - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
+    action: replace
+    target_label: __scheme__
+    regex: ^(https?)$
+    replacement: $1
+  - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
+    action: replace
+    target_label: __metrics_path__
+    regex: ^(.+)$
+    replacement: $1
+  - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
+    action: replace
+    target_label: __address__
+    regex: ^(.+)(?::\d+);(\d+)$
+    replacement: $1:$2

prom/documentation/examples/prometheus.yml

@@ -0,0 +1,30 @@
+# my global config
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+  evaluation_interval: 15s # By default, scrape targets every 15 seconds.
+  # scrape_timeout is set to the global default (10s).
+
+  # Attach these extra labels to all timeseries collected by this Prometheus instance.
+  labels:
+      monitor: 'codelab-monitor'
+
+# Load and evaluate rules in this file every 'evaluation_interval' seconds.
+rule_files:
+  # - "first.rules"
+  # - "second.rules"
+
+# A scrape configuration containing exactly one endpoint to scrape: 
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+    scrape_timeout: 10s
+
+    # metrics_path defaults to '/metrics'
+    # scheme defaults to 'http'.
+
+    target_groups:
+      - targets: ['localhost:9090','prom_exporter:9104','prom_dash:3000']

prom/documentation/images/architecture.xml

@@ -0,0 +1 @@
+<mxfile userAgent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.19 Safari/537.36" type="device"><diagram>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</diagram></mxfile>

prom/documentation/images/diagram_note.md

@@ -0,0 +1,7 @@
+The architecture image was drawn on https://www.draw.io/. The native draw.io
+source file is called `architecture.xml`, while `architecture.svg` is its SVG
+export.
+
+To change the architecture diagram, go to https://www.draw.io/ and import the
+XML source file. After making changes to the diagram, export the result as SVG.
+Update both the source file and the SVG export in this directory.