Simplify doc && Dockerfile

Dockerfile

@@ -1,10 +1,8 @@
-ARG BUILD_DATE=""
-ARG ARCH=amd64
-ARG PYTHON_VERSION=3
+ARG BUILD_DATE
 
 
 # First stage
-FROM docker.io/${ARCH}/python:${PYTHON_VERSION}-alpine3.8 as builder
+FROM python:3.8-rc-alpine as builder
 
 # Install deps
 COPY requirements.txt /tmp
@@ -20,7 +18,7 @@ RUN pip install --prefix="/install" --no-warn-script-location -r /tmp/requiremen
 
 
 ## Second stage
-FROM docker.io/${ARCH}/python:${PYTHON_VERSION}-alpine3.8
+FROM python:3.8-rc-alpine
 
 ENV DEBUG False
 ENV DB_NAME /data/hc.sqlite
@@ -48,7 +46,5 @@ USER healthchecks
 EXPOSE 8000/tcp
 
 ARG SYNAPSE_VERSION
-ARG PYTHON_VERSION
-ARG BUILD_DATE
 
-CMD ["uwsgi", "--enable-threads", "uwsgi.ini"]
+CMD ["uwsgi","uwsgi.ini"]

README.md

@@ -301,16 +301,11 @@ To run the app, you can:
 
     $ docker build -t healthchecks:latest .
 
-    $ docker volume create \
-	--driver local \
-	--opt type=tmpfs \
-	--opt device=tmpfs \
-	--opt o=uid=900,gid=900 \
-	healthchecks
+    $ docker volume create healthchecks
 
     $ docker run -d \
 	--name healthchecks \
-	--mount source=healthchecks,target=/data \
+	-v healthchecks:/data \
 	-p 8000:8000 \
 	healthchecks:latest
 

uwsgi.ini

@@ -1,6 +1,6 @@
 [uwsgi]
 http-socket = :8000
-enable-threads
+enable-threads = true
 plugin = python3
 module = hc.wsgi:application
 static-map = /static=static-collected