Builds Docker image as WSGI + gunicorn

Dockerfile

@@ -1,23 +1,45 @@
-FROM python:3.6.9-slim
+#
+# https://medium.com/@greut/building-a-python-package-a-docker-image-using-pipenv-233d8793b6cc
+# https://github.com/greut/pipenv-to-wheel
+#
+FROM kennethreitz/pipenv as pipenv
 
+ADD . /app
 WORKDIR /app
 
-COPY Pipfile Pipfile.lock /app/
+RUN pipenv install --dev \
+ && pipenv lock -r > requirements.txt \
+ && pipenv run python setup.py bdist_wheel
 
-RUN pip install pipenv && \
-  apt-get update && \
-  apt-get install -y --no-install-recommends \
-    gcc python3-dev libssl-dev \
-    curl postgresql-client git-core && \
-  pipenv install --dev && \
-  apt-get remove -y gcc python3-dev libssl-dev && \
-  apt-get purge -y --auto-remove && \
-  rm -rf /var/lib/apt/lists/ *
+# ----------------------------------------------------------------------------
+FROM ubuntu:bionic
 
-COPY . /app/
+ARG DEBIAN_FRONTEND=noninteractive
 
-ENV FLASK_APP=/app/crc/__init__.py
-CMD ["pipenv", "run", "python", "/app/run.py"]
+COPY --from=pipenv /app/dist/*.whl .
 
-# expose ports
-EXPOSE 5000
+RUN set -xe \
+ && apt-get update -q \
+ && apt-get install -y -q \
+        python3-minimal \
+        python3-wheel \
+        python3-pip \
+        gunicorn3 \
+        postgresql-client \
+ && python3 -m pip install *.whl \
+ && apt-get remove -y python3-pip python3-wheel \
+ && apt-get autoremove -y \
+ && apt-get clean -y \
+ && rm -f *.whl \
+ && rm -rf /root/.cache \
+ && rm -rf /var/lib/apt/lists/* \
+ && mkdir -p /app \
+ && useradd _gunicorn --no-create-home --user-group
+
+USER _gunicorn
+ADD static /app/static
+WORKDIR /app
+
+CMD ["gunicorn3", \
+     "--bind", "0.0.0.0:8000", \
+     "crc:app"]

Pipfile

@@ -5,6 +5,7 @@ verify_ssl = true
 
 [dev-packages]
 pytest = "*"
+pbr = "*"
 
 [packages]
 connexion = {extras = ["swagger-ui"],version = "*"}

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "1ca737db75750ea4351c15b4b0b26155d90bc5522705ed293a0c2773600b6a0a"
+            "sha256": "61f93d8163e543498cc8d8d87e474f3676d386ac99749a110f62fc92e651febb"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -235,11 +235,11 @@
         },
         "docxtpl": {
             "hashes": [
-                "sha256:16a76d360c12f7da3a28821fc740b9a84b891895233493ff0b002ffaa6026905",
-                "sha256:f19adf2a713a753c1e056ef0ce395bc8da62d495b091ebf9fe67dfc6d1115f9f"
+                "sha256:0e031ea5da63339f2bac0fd7eb7b3b137303571a9a92c950501148240ea22047",
+                "sha256:45f04661b9ab1fd66b975a0a547b30c8811f457bef2f85249c2f3c5784a00052"
             ],
             "index": "pypi",
-            "version": "==0.9.2"
+            "version": "==0.10.0"
         },
         "et-xmlfile": {
             "hashes": [
@@ -911,6 +911,14 @@
             ],
             "version": "==20.4"
         },
+        "pbr": {
+            "hashes": [
+                "sha256:07f558fece33b05caf857474a366dfcc00562bca13dd8b47b2b3e22d9f9bf55c",
+                "sha256:579170e23f8e0c2f24b0de612f71f648eccb79fb1322c814ae6b3c07b5ba23e8"
+            ],
+            "index": "pypi",
+            "version": "==5.4.5"
+        },
         "pluggy": {
             "hashes": [
                 "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",

setup.cfg

@@ -0,0 +1,5 @@
+[metadata]
+name = crc
+
+[files]
+packages = crc

setup.py

@@ -0,0 +1,3 @@
+from setuptools import setup
+
+setup(setup_requires=["pbr"], pbr=True)