Build the app outside of Docker so we can cache the data in CI

Refs: #28

.dockerignore

@@ -1,6 +1,5 @@
 /.dev/
 /.git/
 /.github/
-/dist/
 /node_modules/
 /src/.observablehq/

.github/workflows/ci.yml

@@ -55,10 +55,7 @@ jobs:
           outputs: type=docker,dest=/tmp/image.tar
           cache-from: type=gha,ignore-error=true
           cache-to: type=gha,mode=max,ignore-error=true
-          no-cache-filters: build
           target: prod
-          secrets: |
-            PREREVIEW_REVIEWS_DATA_TOKEN=${{ secrets.PREREVIEW_REVIEWS_DATA_TOKEN }}
 
       - name: 'Upload build'
         uses: actions/[email protected]

Dockerfile

@@ -1,20 +1,4 @@
-FROM node:20.13.1-alpine3.18 AS builder
-WORKDIR /app
-ENV OBSERVABLE_TELEMETRY_DISABLE=1
-
-COPY package.json \
-  package-lock.json \
-  ./
-RUN npm ci --ignore-scripts --production
-COPY observablehq.config.js observablehq.config.js
-COPY src/ src/
-
-FROM builder AS build
-RUN --mount=type=secret,id=PREREVIEW_REVIEWS_DATA_TOKEN \
-  PREREVIEW_REVIEWS_DATA_TOKEN=$(cat /run/secrets/PREREVIEW_REVIEWS_DATA_TOKEN) \
-  npx observable build
-
 FROM caddy:2.8.4-alpine AS prod
 COPY Caddyfile /etc/caddy/Caddyfile
-COPY --from=build /app/dist /usr/share/caddy
+COPY dist/ /usr/share/caddy
 EXPOSE 80

Makefile

@@ -16,7 +16,8 @@ start: .env node_modules
 	npx @dotenvx/dotenvx run -- npx observable preview
 
 build-image: .env node_modules
-	npx @dotenvx/dotenvx run -- docker build --target prod --tag ${IMAGE_TAG} .
+	npx @dotenvx/dotenvx run -- npx observable build
+	docker build --target prod --tag ${IMAGE_TAG} .
 
 check: format lint typecheck