feature: Introduce py38 base image and switch to poetry==1.0.0b4 cause of that.

Author: playpauseandstop

.gitignore

@@ -0,0 +1 @@
+.build

CHANGELOG.md

@@ -1,3 +1,12 @@
+# 3.0.0 (In Development)
+
+## 3.0.0b0 (2019-11-13)
+
+- **Breaking change:** Make `py38` default image
+- **Breaking change:** Install `poetry==1.0.0b4` for all images
+- **Breaking change:** Use `slim-buster` image for `py35`, `py36`, and `py37`
+- Simplify development by introducing `Makefile`
+
 # 2.0.0 (2019-10-29)
 
 - **Breaking change:** By default poetry will create virtualenv, while install

Dockerfile

@@ -1,15 +1,15 @@
-FROM python:3.7.5-slim-stretch
+FROM python:3.8.0-slim-buster
 
 LABEL maintainer="Igor Davydenko <iam@igordavydenko.com>"
-LABEL description="Add poetry, pre-commit, and other dev-tools to official Python slim stretch Docker image."
+LABEL description="Add poetry, pre-commit, and other dev-tools to official Python slim Docker image."
 
 RUN apt update -qq && apt upgrade -y && apt install -y curl gcc git locales locales-all make nano openssh-client && apt autoremove -y
 
 ENV PATH="/root/.local/bin:/root/.poetry/bin:${PATH}"
 
 RUN pip install pip==19.3.1 pre-commit==1.20.0 tox==3.14.0 virtualenv==16.7.7
 
-ENV POETRY_VERSION=0.12.17
+ENV POETRY_VERSION=1.0.0b4
 RUN curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
 
 WORKDIR /app

Makefile

@@ -0,0 +1,21 @@
+.PHONY: all build deploy run
+
+DOCKER ?= docker
+IMAGE ?= playpauseandstop/docker-python
+
+all: build
+
+build: .build
+.build: Dockerfile
+	$(DOCKER) build -t $(IMAGE) .
+	touch $@
+
+deploy:
+ifeq ($(VERSION),)
+	$(DOCKER) push $(IMAGE):$(VERSION)
+else
+	$(DOCKER) push $(IMAGE)
+endif
+
+run: build
+	$(DOCKER) run --rm -it $(IMAGE) $(CMD)

README.md

@@ -3,8 +3,8 @@
 ![Docker Cloud Build Status](https://img.shields.io/docker/cloud/build/playpauseandstop/docker-python.svg)
 ![Docker Pulls](https://img.shields.io/docker/pulls/playpauseandstop/docker-python.svg)
 
-Add poetry, pre-commit, and other dev-tools to official Python slim stretch
-Docker image.
+Add poetry, pre-commit, and other dev-tools to official Python slim Docker
+image.
 
 ## Usage
 
@@ -16,7 +16,7 @@ FROM playpauseandstop/docker-python
 
 - [pip](https://pip.pypa.io) 19.3.1
 - [virtualenv](https://virtualenv.pypa.io) 16.7.7
-- [poetry](https://poetry.eustace.io) 0.12.17
+- [poetry](https://poetry.eustace.io) 1.0.0b4
 - [pre-commit](https://pre-commit.com) 1.20.0
 - [tox](https://tox.readthedocs.io/) 3.14.0
 - [curl](https://curl.haxx.se) 7.52.1
@@ -35,6 +35,10 @@ other versions supported as well.
 
 List of supported Python versions are (`<PY_VERSION>` -> base Docker image):
 
+#### 3.0.0
+
+- `py38` -> `python:3.8.0-slim-buster`
+
 #### 2.0.0
 
 - `py35` -> `python:3.5.7-slim-stretch`
@@ -73,17 +77,17 @@ FROM playpauseandstop/docker-python:1.0.3-py36
 To build an image:
 
 ```bash
-docker build -t playpauseandstop/docker-python .
+make
 ```
 
 To run something, using given image:
 
 ```bash
-docker run --rm -it playpauseandstop/docker-python CMD
+make CMD="..." run
 ```
 
 To push image (or specific version):
 
 ```bash
-docker push playpauseandstop/docker-python:VERSION
+make VERSION="..." deploy
 ```