Add Dockerfile

This adds a Dockerfile and build instructions. The container image uses
Caddy (https://caddyserver.com/) as static binary web server in a `scratch`
image.

Author: mtneug

.dockerignore

@@ -0,0 +1,6 @@
+.dockerignore
+.git/
+.github/
+build/
+Dockerfile
+node_modules/

Dockerfile

@@ -0,0 +1,76 @@
+# syntax=docker/dockerfile:1.4
+
+ARG NODE_VERSION=16
+FROM node:${NODE_VERSION}-alpine as build
+
+RUN apk add --no-cache git
+WORKDIR /src
+COPY package.json .
+COPY package-lock.json .
+RUN npm i
+COPY / .
+
+ARG PUBLIC_URL=/
+ARG REACT_APP_SETTINGS_PATH=/editor-settings.toml
+RUN npm run build
+
+
+ARG NODE_VERSION=16
+FROM node:${NODE_VERSION}-alpine as caddy
+
+RUN apk add --no-cache curl
+
+ARG CADDY_VERSION=2.5.1
+
+RUN curl -sSL "https://github.com/caddyserver/caddy/releases/download/v${CADDY_VERSION}/caddy_${CADDY_VERSION}_linux_amd64.tar.gz" | tar xzf - caddy \
+ && chown 0:0 caddy \
+ && chmod +x caddy
+RUN mkdir -p /rootfs/config /rootfs/data \
+ && chown 1000:1000 /rootfs/config /rootfs/data
+
+
+FROM scratch
+
+ENV XDG_CONFIG_HOME /config
+ENV XDG_DATA_HOME   /data
+
+COPY <<EOF /Caddyfile
+{
+	admin off
+}
+
+:80 {
+	root * /www
+	file_server
+}
+
+:2019 {
+	metrics /metrics
+	respond /healthz 200
+}
+EOF
+
+COPY <<EOF /etc/nsswitch.conf
+hosts: files dns
+EOF
+
+COPY --from=caddy /rootfs    /
+COPY --from=caddy /caddy     /
+COPY --from=build /src/build /www
+
+USER 1000:1000
+
+EXPOSE 80
+EXPOSE 443
+EXPOSE 2019
+
+LABEL org.opencontainers.image.title         "Opencast Video Editor"
+LABEL org.opencontainers.image.description   "Web-based video editor for Opencast"
+LABEL org.opencontainers.image.vendor        "Opencast"
+LABEL org.opencontainers.image.licenses      "Apache-2.0"
+LABEL org.opencontainers.image.url           "https://github.com/opencast/opencast-editor"
+LABEL org.opencontainers.image.documentation "https://github.com/opencast/opencast-editor"
+LABEL org.opencontainers.image.source        "https://github.com/opencast/opencast-editor"
+
+ENTRYPOINT [ "/caddy" ]
+CMD ["run", "--config", "/Caddyfile", "--adapter", "caddyfile"]

README.md

@@ -36,6 +36,14 @@ To make the editor work in a sub-path, use:
 
     PUBLIC_URL=/path npm run build
 
+To build a container image, run:
+
+    DOCKER_BUILDKIT=1 docker build \
+        --build-arg NODE_VERSION=16 \
+        --build-arg CADDY_VERSION=2.5.1 \
+        --build-arg PUBLIC_URL=/ \
+        --build-arg REACT_APP_SETTINGS_PATH=/editor-settings.toml \
+        -t quay.io/opencast/editor .
 
 Configuration
 -------------