Add GitHub CI files to publish Docker container

1 files changed, 9 insertions, 1 deletions

diff --git a/Dockerfile b/Dockerfile
index 5da290e..61947a8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-FROM node:20-alpine
+# Docker builds hang in arm/v7 images, so we use Node 18 to build and Node 20 to run
+# Cf. https://github.com/docker/build-push-action/issues/1071
+FROM node:18-alpine AS BUILD_IMAGE
 WORKDIR /app
 RUN apk add --no-cache python3 build-base
 ADD package.json pnpm-lock.yaml /app/
@@ -8,4 +10,10 @@ COPY . /app/
 # Always exit 0 here because TSC will fail while we're migrating to TypeScript but
 # not everything uses TypeScript
 RUN pnpm run build; exit 0
+
+# Now we run the app
+FROM node:20-alpine
+ENV NODE_ENV=production
+WORKDIR /app
+COPY --from=BUILD_IMAGE /app ./
 CMD ["node", "dist/start.js"]