Add default value for CRYSTAL_DOCKER_IMAGE (#137)

crystal-lang · Sep 23, 2021 · d1b1760 · d1b1760
1 parent ae4d25e
commit d1b1760
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/Makefile b/docs/Makefile
@@ -1,6 +1,6 @@
 CRYSTAL_VERSION ?=                 ## How the binaries should be branded
 CRYSTAL_SHA1 ?= $(CRYSTAL_VERSION) ## Git tag/branch/sha1 to checkout and build source
-CRYSTAL_DOCKER_IMAGE ?=            ## Which crystal docker build image to use
+CRYSTAL_DOCKER_IMAGE ?= crystallang/crystal:$(CRYSTAL_VERSION) ## Which crystal docker build image to use
 
 OUTPUT_DIR = build
 OUTPUT_DOCS_BASE_NAME = crystal-$(CRYSTAL_VERSION)-docs