Dockerfile: Replace CMD with ENTRYPOINT (#43)

ENTRYPOINT allows passing options directly into the container
on docker run. Omitting CMD for default options maintains ideal
caddy and current caddybox behavior.

Update version strings for release of v0.10.7-cb.1.

Fixes #41.

Author: Josh Wood

Dockerfile

@@ -3,4 +3,4 @@ MAINTAINER Josh Wood <j@joshix.com>
 COPY rootfs /
 EXPOSE 80 443 2015
 WORKDIR /var/www/html
-CMD ["/bin/caddy"]
+ENTRYPOINT ["/bin/caddy"]

caddy-rkt.service

@@ -17,7 +17,7 @@ Delegate=true
 #Environment=STORAGE_PATH=/opt/myapp
 #Environment=TMPDIR=/var/tmp
 # Fetch the image. Superfluous - rkt run will fetch images that don't exist.
-ExecStartPre=/usr/bin/rkt fetch --insecure-options=image docker://quay.io/josh_wood/caddy:v0.10.7
+ExecStartPre=/usr/bin/rkt fetch --insecure-options=image docker://quay.io/josh_wood/caddy:v0.10.7-cb.1
 # Start the app
 ExecStart=/usr/bin/rkt run --insecure-options=image \
 --port 80-tcp:80 --port 443-tcp:443 --port 2015-tcp:2015 \
@@ -26,7 +26,7 @@ ExecStart=/usr/bin/rkt run --insecure-options=image \
 --mount volume=html,target=/var/www/html \
 --volume dotcaddy,kind=host,source=/home/core/dotcaddy,readOnly=false \
 --mount volume=dotcaddy,target=/root/.caddy \
-docker://quay.io/josh_wood/caddy:v0.10.7
+docker://quay.io/josh_wood/caddy:v0.10.7-cb.1
 KillMode=mixed
 Restart=always
 

rkt-run.md

@@ -26,7 +26,7 @@ rkt run --insecure-options=image \
 --mount volume=html,target=/var/www/html \
 --volume dotcaddy,kind=host,source=/home/core/dotcaddy,readOnly=false \
 --mount volume=dotcaddy,target=/root/.caddy \
-docker://quay.io/josh_wood/caddy:v0.10.7
+docker://quay.io/josh_wood/caddy:v0.10.7-cb.1
 ```