feat: specify base image

Author: ManuelRauber

Makefile

@@ -6,7 +6,7 @@ REPO_API_URL            ?= https://hub.docker.com/v2
 REPO_NAMESPACE          ?= boundfoxstudios
 REPO_USERNAME           ?= boundfoxstudios
 IMAGE_NAME              ?= opengl
-BASE_IMAGE              ?= alpine:edge
+BASE_IMAGE              ?= alpine:3.19.1
 LLVM_VERSION            ?= 15
 TAG_SUFFIX              ?= $(shell echo "-$(BASE_IMAGE)" | $(SED) 's|:|-|g' | $(SED) 's|/|_|g' 2>/dev/null )
 VCS_REF                 := $(shell git rev-parse --short HEAD)