Add Dockerfile

Dockerfile

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+# Build
+FROM golang:1.19-alpine
+
+ARG branch
+
+RUN apk update && apk upgrade && apk add git zlib-dev gcc musl-dev
+
+RUN mkdir -p /tmp/compile
+WORKDIR /tmp/compile
+
+RUN git clone --recurse-submodules https://github.com/TicketsBot/GoPanel .
+RUN cd locale && git pull origin master
+RUN git checkout $branch
+RUN go build -o panel cmd/panel/main.go
+
+# Prod container
+FROM alpine:latest
+
+RUN apk update && apk upgrade && apk add curl
+
+COPY --from=0 /tmp/compile/locale /srv/panel/locale
+COPY --from=0 /tmp/compile/panel /srv/panel/panel
+RUN chmod +x /srv/panel/panel
+
+COPY --from=0 /tmp/compile/emojis.json /srv/panel/emojis.json
+
+RUN adduser container --disabled-password --no-create-home
+USER container
+WORKDIR /srv/panel
+
+CMD ["/srv/panel/panel"]