Add Dockerfile

[monolithed]

# Stage 1: builder
FROM node:20-alpine AS builder

RUN apk add --no-cache git bash curl
WORKDIR /app
ENV HUSKY=0

COPY . .

RUN corepack enable && corepack prepare yarn@1 --activate
RUN yarn install --frozen-lockfile
RUN yarn build

# Stage 2: prod
FROM node:20-alpine
WORKDIR /app

RUN apk add --no-cache nodejs npm

COPY --from=builder /app/dist ./dist
COPY --from=builder /app/index.html ./index.html
COPY --from=builder /app/ui.js ./ui.js
COPY --from=builder /app/sw.js ./sw.js
COPY --from=builder /app/ruffle ./ruffle

EXPOSE 9990

CMD ["npx", "serve", "-l", "9990", "--cors"]

It would be awesome if you could push the image to Docker Hub. Here's mine https://hub.docker.com/r/monolithed/replaywebpage