Add support for reproducible builds

.dockerignore

@@ -6,4 +6,5 @@ build
 cypress*
 Dockerfile
 node_modules
+output
 README.md

.gitignore

@@ -10,6 +10,7 @@
 
 # production
 /build
+/artifact/v*
 
 # misc
 .DS_Store

Makefile

@@ -0,0 +1,34 @@
+# This is the main interface into the repository for CI automation/reproducible builds.
+#
+# All targets assume they're running on a Linux or macOS host with Bash and Docker installed.
+# Any other dependencies should be satisfied by containers.
+#
+
+.DEFAULT_GOAL := help
+
+DEBUG = [DEBUG]
+INFO = [INFO]
+SUCCESS = [INFO]
+
+CURRENT_UID := $(shell id -u)
+
+compose := docker-compose
+
+.PHONY: all
+all: build
+
+.PHONY: build
+build: ## Build the static site from the container image
+	@echo "$(INFO) Building the wayfinder static site files"
+	$(compose) run --build -e CURRENT_UID=${CURRENT_UID} build-wayfinder
+	@echo "$(SUCCESS) Successfully built!"
+
+.PHONY: clean
+clean: ## Remove build artifacts
+	rm -f v*
+
+.PHONY: help
+help: ## Display this help (default)
+	@echo "Targets:"
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort \
+	| awk 'BEGIN {FS = ":.*?## "}; {printf "  %-17s%s\n", $$1, $$2}'

VERSION.txt

@@ -0,0 +1 @@
+1.0.0

bin/zip_build.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+HOME_DIR=/usr/src/app
+VERSION=v$(cat $HOME_DIR/VERSION.txt)
+
+cd $HOME_DIR/build
+
+tar -czvf $HOME_DIR/artifact/$VERSION.tar.gz *
+
+chown $CURRENT_UID:$CURRENT_UID $HOME_DIR/artifact/$VERSION.tar.gz

docker-compose.yml

@@ -0,0 +1,12 @@
+version: "3.8"
+
+services:
+
+  build-wayfinder:
+    build:
+      context: "."
+    command: sh -c "npm run build && bin/zip_build.sh"
+    volumes:
+      - type: bind
+        source: ./artifact
+        target: /usr/src/app/artifact