1 - remove prom directory

2 - updated docker-compose prometheus section as the config.js was being mounted as a directory and not a file in 1.12
3 - slight format chnages in docker-compose

prom/Dockerfile

@@ -1,14 +0,0 @@
-FROM prom/prometheus:0.16.1
-
-ADD prometheus.yml /etc/prometheus/prometheus.yml
-
-RUN mkdir -p /etc/prometheus/targets.d
-
-EXPOSE 9090
-
-ENTRYPOINT [ "/bin/prometheus" ]
-CMD        [ "-config.file=/etc/prometheus/prometheus.yml", \
-             "-storage.local.path=/prometheus", \
-             "-web.console.libraries=/etc/prometheus/console_libraries", \
-             "-web.console.templates=/etc/prometheus/consoles", \
-             "-web.listen-address=:9090" ]

prom/prometheus.yml

@@ -1,30 +0,0 @@
-# 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 labels to any time series or alerts when communicating with
-  # external systems (federation, remote storage, Alertmanager).
-  external_labels:
-      monitor: 'my-project'
-
-# 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:
-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','cadvisor:8080','node-exporter:9100']