chore: add dockerfile

Dockerfile

@@ -0,0 +1,31 @@
+# Build frontend dist.
+FROM node:16.15.0-alpine AS frontend
+WORKDIR /frontend-build
+
+COPY ./web/ .
+
+RUN yarn
+RUN yarn build
+
+# Build backend exec file.
+FROM golang:1.18.3-alpine3.16 AS backend
+WORKDIR /backend-build
+
+RUN apk update
+RUN apk --no-cache add gcc musl-dev
+
+COPY . .
+COPY --from=frontend /frontend-build/dist ./server/dist
+
+RUN go build -o corgi ./bin/server/main.go
+
+# Make workspace with above generated files.
+FROM alpine:3.16.0 AS monolithic
+WORKDIR /usr/local/corgi
+
+COPY --from=backend /backend-build/corgi /usr/local/corgi/
+
+# Directory to store the data, which can be referenced as the mounting point.
+RUN mkdir -p /var/opt/corgi
+
+ENTRYPOINT ["./corgi", "--mode", "prod", "--port", "5231"]