Drop support for retired 3.5 and update dependencies. (#132)

Author: tillahoffmann

.github/workflows/main.yml

@@ -9,7 +9,7 @@ jobs:
   build:
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8]
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2

Makefile

@@ -1,4 +1,4 @@
-PYTHON_VERSIONS = 3.5 3.6 3.7 3.8
+PYTHON_VERSIONS = 3.6 3.7 3.8
 REQUIREMENTS = $(addprefix requirements/,${PYTHON_VERSIONS:=.txt})
 TESTS = $(addprefix tests/,${PYTHON_VERSIONS})
 IMAGES = $(addprefix image/,${PYTHON_VERSIONS})

README.rst

@@ -65,7 +65,7 @@ When trying to launch a testcontainer from within a Docker container two things
 Setting up a development environment
 ------------------------------------
 
-We recommend you use a `virtual environment <https://virtualenv.pypa.io/en/stable/>`_ for development. Note that a python version :code:`>=3.5` is required. After setting up your virtual environment, you can install all dependencies and test the installation by running the following snippet.
+We recommend you use a `virtual environment <https://virtualenv.pypa.io/en/stable/>`_ for development. Note that a python version :code:`>=3.6` is required. After setting up your virtual environment, you can install all dependencies and test the installation by running the following snippet.
 
 .. code-block:: bash