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

prom/.gitignore

@@ -0,0 +1,42 @@
+*#
+*.[568ao]
+*.a[568o]
+*.cgo*.c
+*.cgo*.go
+/*.yaml
+/*.yml
+/*.rules
+*.exe
+*.orig
+*.pyc
+*.rej
+*.so
+
+# Editor files #
+################
+*~
+.*.swp
+.*.swo
+*.iml
+.idea
+
+.DS_Store
+._*
+.nfs.*
+/.git
+[568a].out
+_cgo_*
+core
+
+*-stamp
+/prometheus
+/promtool
+benchmark.txt
+/data
+
+.#*
+command-line-arguments.test
+*BACKUP*
+*BASE*
+*LOCAL*
+*REMOTE*