Refactor docker image

Dockerfile

@@ -0,0 +1,42 @@
+# https://github.com/hassio-addons/addon-base-python/releases
+ARG BASE_VERSION="9.0.1"
+# https://hub.docker.com/_/golang/tags?page=1&name=-alpine
+ARG GO_VERSION="1.19.2"
+# https://hub.docker.com/r/ngrok/ngrok/tags?page=1&name=-alpine
+ARG NGROK_VERSION="3.1.0"
+
+
+FROM ghcr.io/hassio-addons/base-python:${BASE_VERSION} AS base
+
+
+FROM golang:${GO_VERSION}-alpine AS go
+
+
+FROM ngrok/ngrok:${NGROK_VERSION}-alpine AS ngrok
+
+
+# Build go2rtc binary
+FROM go AS build
+
+WORKDIR /workspace
+
+COPY . .
+
+RUN CGO_ENABLED=0 go build -ldflags "-s -w" -trimpath
+
+
+# Collect all files
+FROM scratch AS rootfs
+
+COPY --from=build /workspace/go2rtc /usr/local/bin/
+COPY --from=ngrok /bin/ngrok /usr/local/bin/
+COPY ./docker/rootfs/ /
+
+
+# Final stage
+FROM base
+
+# Install ffmpeg
+RUN apk add --no-cache ffmpeg
+
+COPY --from=rootfs / /