docker: minor fixes

docker/sftpgo/alpine/Dockerfile

@@ -1,22 +1,23 @@
 FROM golang:1.13-alpine3.10 as builder
 
 RUN apk add --no-cache git gcc g++ ca-certificates \
-  && go get -u github.com/drakkan/sftpgo
+  && go get -d github.com/drakkan/sftpgo
 WORKDIR /go/src/github.com/drakkan/sftpgo
-
+# uncomment the next line to get the latest stable version instead of the latest git
+#RUN git checkout `git rev-list --tags --max-count=1`
 RUN go build -i -ldflags "-s -w -X github.com/drakkan/sftpgo/utils.commit=`git describe --always --dirty` -X github.com/drakkan/sftpgo/utils.date=`date -u +%FT%TZ`" -o /go/bin/sftpgo
 
 FROM alpine:3.10
 
 RUN  apk add --no-cache ca-certificates su-exec \
-  && mkdir -p /data /etc/sftpgo
+  && mkdir -p /data /etc/sftpgo /srv/sftpgo/config
 
 COPY --from=builder /go/bin/sftpgo /bin/
 COPY --from=builder /go/src/github.com/drakkan/sftpgo/sftpgo.json /etc/sftpgo/sftpgo.json
 COPY docker-entrypoint.sh /bin/entrypoint.sh
 RUN chmod +x /bin/entrypoint.sh
 
-VOLUME /data
+VOLUME [ "/data", "/srv/sftpgo/config" ]
 EXPOSE 2022 8080
 
 ENTRYPOINT ["/bin/entrypoint.sh"]

docker/sftpgo/alpine/README.md

@@ -1,4 +1,4 @@
-# SFTPgo with Docker and Alpine
+# SFTPGo with Docker and Alpine
 
 This DockerFile is made to build image to host multiple instances of SFTPgo started with different users.
 
@@ -6,28 +6,28 @@ The volume for the configuration is not mandatory, but it will be necessary to c
 
 ### Example
 > 1003 is a custom uid:gid for this instance of SFTPgo
-```
+```bash
 # Prereq on docker host
 sudo groupadd -g 1003 sftpgrp && \
   sudo useradd -u 1003 -g 1003 sftpuser -d /home/sftpuser/ && \
   sudo -u sftpuser mkdir /home/sftpuser/{conf,data} && \
   curl https://raw.githubusercontent.com/drakkan/sftpgo/master/sql/sqlite/20190828.sql | sqlite3 /home/sftpuser/conf/sftpgo.db && \
-  curl https://raw.githubusercontent.com/drakkan/sftpgo/master/sftpgo.json -o /home/sftpuser/conf/sftpgo.conf
+  curl https://raw.githubusercontent.com/drakkan/sftpgo/master/sftpgo.json -o /home/sftpuser/conf/sftpgo.json
 
 # Get and build SFTPgo image
 git clone https://github.com/drakkan/sftpgo.git && \
   cd sftpgo && \
-  sudo docker build -t sftpgo docker/alpine/
+  sudo docker build -t sftpgo docker/sftpgo/alpine/
 
 # Starting image
 sudo docker run --name sftpgo \
   -e SFTPGO_LOG_FILE_PATH= \
-  -e SFTPGO_CONFIG_DIR=/etc/sftpgo \
+  -e SFTPGO_CONFIG_DIR=/srv/sftpgo/config \
   -p 8080:8080 \
   -p 2022:2022 \
   -e PUID=1003 \
   -e GUID=1003 \
-  -v /home/sftpuser/conf/:/etc/sftpgo/ \
+  -v /home/sftpuser/conf/:/srv/sftpgo/config \
   -v /home/sftpuser/data:/data \
   sftpgo
 ```
@@ -35,11 +35,9 @@ The script `entrypoint.sh` makes sure to correct the permissions of directories
 
 Several images can be run with another parameters.
 
-### Custom systemD script
+### Custom systemd script
-An example of systemD script is present [here](../../init/sftpgo-docker.service), with `Environment` parameter to set `PUID` and `GUID`
+An example of systemd script is present [here](sftpgo-docker.service), with `Environment` parameter to set `PUID` and `GUID`
 
 `WorkingDirectory` parameter must be exist with one file in this directory like `sftpgo-${PUID}.env` corresponding to the variable file for SFTPgo instance.
 
 Enjoy
-
-

docker/sftpgo/alpine/docker-entrypoint.sh

@@ -2,6 +2,6 @@
 
 set -eu
 
-chown -R "${PUID}:${GUID}" /data /etc/sftpgo \
+chown -R "${PUID}:${GUID}" /data /etc/sftpgo /srv/sftpgo/config \
 	&& exec su-exec "${PUID}:${GUID}" \
   /bin/sftpgo serve "$@"

docker/sftpgo/alpine/sftpgo.service

@@ -17,7 +17,7 @@ ExecStart=docker run --name sftpgo \
   -e GUID=${GUID} \
   -p 8080:8080 \
   -p 2022:2022 \
-  -v /home/sftpuser/conf/:/etc/sftpgo/ \
+  -v /home/sftpuser/conf/:/srv/sftpgo/config \
   -v /home/sftpuser/data:/data \
   sftpgo
 ExecStop=docker stop sftpgo

docker/sftpgo/debian/README.md

@@ -14,7 +14,7 @@ and you can run the Dockerfile using something like this:
 docker run --name sftpgo -p 8080:8080 -p 2022:2022 --mount type=bind,source=/srv/sftpgo/data,target=/app/data --mount type=bind,source=/srv/sftpgo/config,target=/app/config drakkan/sftpgo
 ```
 
-where  `/srv/sftpgo/data` and `/srv/sftpgo/config` are two folders on the host system with write access for UID/GID defined inside the `Dockerfile`. You can choose to create a new user with a matching UID/GID pair or simply do something like:
+where  `/srv/sftpgo/data` and `/srv/sftpgo/config` are two folders on the host system with write access for UID/GID defined inside the `Dockerfile`. You can choose to create a new user, on the host system, with a matching UID/GID pair or simply do something like:
 
 
 ```bash

sftpd/server.go

@@ -301,10 +301,10 @@ func (c Configuration) handleSftpConnection(channel io.ReadWriteCloser, connecti
 	server := sftp.NewRequestServer(channel, handler)
 
 	if err := server.Serve(); err == io.EOF {
-		connection.Log(logger.LevelDebug, logSenderSCP, "connection closed")
+		connection.Log(logger.LevelDebug, logSender, "connection closed")
 		server.Close()
 	} else if err != nil {
-		connection.Log(logger.LevelError, logSenderSCP, "sftp connection closed with error: %v", err)
+		connection.Log(logger.LevelWarn, logSender, "connection closed with error: %v", err)
 	}
 
 	removeConnection(connection.ID)