Revert "repo move"

This reverts commit 2ee2af37582b35b5105a6bb2bb159e4e5353f4a8.

Dockerfile

@@ -0,0 +1,20 @@
+FROM golang:alpine as builder
+
+RUN apk --update upgrade && \
+    apk --no-cache --no-progress add git
+
+ENV GO111MODULE on
+
+RUN git clone https://github.com/emersion/hydroxide/ /hydroxide
+
+WORKDIR /hydroxide
+RUN go build ./cmd/hydroxide
+
+
+FROM alpine:latest
+
+WORKDIR /hydroxide
+COPY --from=builder /hydroxide/hydroxide .
+
+ENV XDG_CONFIG_HOME /.config
+ENTRYPOINT [ "/hydroxide/hydroxide", "-smtp-host", "0.0.0.0" ]

README.md

@@ -1 +1,58 @@
-This repository has a new home: https://git.okki.hu/garric/hydroxide-docker.
+# hydroxide docker
+
+This image is used for `okki.hu` services to provide a proton based smtp server. It is based on [hydroxide](https://github.com/emersion/hydroxide) - a lightweight proton bridge implementation.
+
+# usage
+
+## fetch the image
+
+```
+docker pull garric/hydroxide-docker
+```
+
+## config dir
+
+Create a config dir on the host, we will use this for most of the commands to mount as a volume:
+
+```
+mkdir -p $HOME/.config/hydroxide
+```
+
+## authenticate
+
+```
+docker run -it \
+  -v $HOME/.config/hydroxide:/.config/hydroxide \
+  hydroxide auth <proton_username>
+```
+
+Store the printed bridge password __securely__.
+
+## verify login status
+
+```
+docker run -it \
+  -v $HOME/.config/hydroxide:/.config/hydroxide \
+  hydroxide status
+```
+
+## smtp server
+
+The following command starts the smtp server on port 1025 as an always running daemon:
+
+```
+docker run -d --name hydroxide \
+  --restart unless-stopped \
+  -v $HOME/.config/hydroxide:/.config/hydroxide \
+  -p 1025:1025 \
+  hydroxide smtp
+```
+
+# requirements
+
+   * proton paid subscription
+   * docker
+
+# security notes
+
+Do __NOT__ expose the smtp port to the public world. It is insecure, and only intended for intranet usage.