Optional manual versioning strategy

Makefile

@@ -24,6 +24,12 @@ REGISTRY ?= thockin
 # Which architecture to build - see $(ALL_ARCH) for options.
 ARCH ?= amd64
 
+# This version-strategy uses git tags to set the version string
+VERSION := $(shell git describe --always --dirty)
+#
+# This version-strategy uses a manual value to set the version string
+#VERSION := 1.2.3
+
 ###
 ### These variables should not need tweaking.
 ###
@@ -50,8 +56,6 @@ IMAGE := $(REGISTRY)/$(BIN)-$(ARCH)
 
 BUILD_IMAGE ?= golang:1.7-alpine
 
-VERSION := $(shell git describe --always --dirty)
-
 # If you want to build all binaries, see the 'all-build' rule.
 # If you want to build all containers, see the 'all-container' rule.
 # If you want to build AND push all containers, see the 'all-push' rule.

README.md

@@ -15,6 +15,7 @@ Makefile:
    - change `PKG` to the Go import path of this repo
    - change `REGISTRY` to the Docker registry you want to use
    - maybe change `SRC_DIRS` if you use some other layout
+   - choose a strategy for `VERSION` values - git tags or manual
 
 Dockerfile.in:
    - change the `MAINTAINER` to you