Demo: Add docker-demo-latest to Makefile

Makefile

@@ -442,8 +442,12 @@ docker-ddns:
 docker-goproxy:
 	docker pull golang:alpine
 	scripts/docker/buildx-multi.sh goproxy linux/amd64,linux/arm64 $(BUILD_DATE)
-docker-demo: docker-demo-debian
+docker-demo: docker-demo-latest
 docker-demo-all: docker-demo-debian docker-demo-ubuntu
+docker-demo-latest:
+	docker pull photoprism/photoprism:preview
+	scripts/docker/build.sh demo $(BUILD_DATE)
+	scripts/docker/push.sh demo $(BUILD_DATE)
 docker-demo-debian:
 	docker pull photoprism/photoprism:preview-debian
 	scripts/docker/build.sh demo $(BUILD_DATE) /debian "-t photoprism/demo:debian"

docker/demo/Dockerfile

@@ -0,0 +1,37 @@
+FROM photoprism/photoprism:preview as build
+
+# Set environment variables
+ENV TF_CPP_MIN_LOG_LEVEL=2 \
+    PHOTOPRISM_STORAGE_PATH="/photoprism/storage" \
+    PHOTOPRISM_DEBUG="false" \
+    PHOTOPRISM_READONLY="false" \
+    PHOTOPRISM_PUBLIC="true" \
+    PHOTOPRISM_DEMO="true" \
+    PHOTOPRISM_EXPERIMENTAL="true" \
+    PHOTOPRISM_UPLOAD_NSFW="false" \
+    PHOTOPRISM_DETECT_NSFW="false" \
+    PHOTOPRISM_THUMB_FILTER="lanczos" \
+    PHOTOPRISM_THUMB_UNCACHED="true" \
+    PHOTOPRISM_THUMB_SIZE=4096 \
+    PHOTOPRISM_THUMB_SIZE_UNCACHED=4096 \
+    PHOTOPRISM_JPEG_SIZE=4096 \
+    PHOTOPRISM_JPEG_QUALITY=85 \
+    PHOTOPRISM_APP_NAME="Demo" \
+    PHOTOPRISM_APP_ICON="favicon" \
+    PHOTOPRISM_SITE_TITLE="PhotoPrism" \
+    PHOTOPRISM_SITE_CAPTION="Demo" \
+    PHOTOPRISM_SITE_DESCRIPTION="AI-Powered Photos App for the Decentralized Web"
+
+# Copy assets
+COPY /docker/demo/index.tmpl /opt/photoprism/assets/templates
+
+# Download example photos
+RUN wget -qO- https://dl.photoprism.app/qa/demo.tar.gz | tar xvz -C /photoprism/originals
+
+# Import example photos
+RUN photoprism restore -a
+RUN photoprism index -a
+RUN photoprism moments
+
+# Start PhotoPrism server
+CMD ["photoprism", "--public", "start"]