Update Dockerfile to build the current working copy

This will allow `latest` to be `master` and allow git tags to dictate
tagged versions on Docker.

Also update readme to describe how it's now building

.dockerignore

@@ -0,0 +1,6 @@
+*$py.class
+*.egg
+*.egg-info/
+*.py[cod]
+*.so
+**/__pycache__/

Dockerfile

@@ -1,6 +1,13 @@
 FROM python:3
+LABEL maintainer="ian@iamthefij.com"
+# Minitor: https://git.iamthefij.com/iamthefij/minitor
 
-RUN pip install --no-cache-dir minitor
+COPY ./sample-config.yml /app/config.yml
 WORKDIR /app
-COPY config.yml /app/config.yml
-CMD minitor
+
+COPY ./README.md /app/
+COPY ./setup.py /app/
+COPY ./minitor /app/minitor
+RUN pip install -e .
+
+ENTRYPOINT python -m minitor.main

Makefile

@@ -1,3 +1,4 @@
+DOCKER_TAG := minitor-dev
 OPEN_CMD := $(shell type xdg-open > /dev/null && echo 'xdg-open' || echo 'open')
 
 .PHONY: default
@@ -80,3 +81,7 @@ htmlcov/index.html: .coverage
 .PHONY: open-coverage
 open-coverage: htmlcov/index.html
 	$(OPEN_CMD) htmlcov/index.html
+
+.PHONY: docker-build
+docker-build:
+	docker build . -t $(DOCKER_TAG)

README.md

@@ -34,13 +34,11 @@ It will read the contents of `config.yml` and begin its loop. You could also run
 
 You can pull this repository directly from Docker:
 
-`docker pull kevineaton/minitor`
+`docker pull iamthefij/minitor`
 
-The Docker image uses a default `config.yml` that simply pings a server every 30 seconds with exponential backup. This is likely not what you want, so when you run the Docker image, you should supply your own `config.yml` file:
+The Docker image uses a default `config.yml` that is copied from `sample-config.yml`. This won't really do anything for you, so when you run the Docker image, you should supply your own `config.yml` file:
 
-`docker run -v $PWD/config.yml:/app/config.yml kevineaton/minitor`
-
-Note that the image uses the version of minitor in `pip` and does not build from source.
+`docker run -v $PWD/config.yml:/app/config.yml iamthefij/minitor`
 
 ### Configuring