♻ Refactor dependencies to improve Dependabot updates and reduce disk…

… size used (#60)

docker-images/python2.7.dockerfile

@@ -6,6 +6,6 @@ LABEL maintainer="Sebastian Ramirez <[email protected]>"
 # Newer versions don't support Python 2.7 (Python 2.7 reached end of life long ago)
 # So for this tag just install whatever is available for Python 2.7, don't use
 # Dependabot's updated requirements
-RUN pip install flask
+RUN pip install --no-cache-dir flask
 
 COPY ./app /app

docker-images/python3.6-alpine3.8.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.6-alpine3.8
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.6.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.6
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.7-alpine3.8.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.7-alpine3.8
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.7.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.7
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.8-alpine3.11.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.8-alpine3.11
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.8.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.8
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.9-alpine3.13.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.9-alpine3.13
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/python3.9.dockerfile

@@ -3,6 +3,6 @@ FROM tiangolo/meinheld-gunicorn:python3.9
 LABEL maintainer="Sebastian Ramirez <[email protected]>"
 
 COPY requirements.txt /tmp/requirements.txt
-RUN pip install -r /tmp/requirements.txt
+RUN pip install --no-cache-dir -r /tmp/requirements.txt
 
 COPY ./app /app

docker-images/requirements.txt

@@ -1 +1,3 @@
+meinheld==1.0.2
+gunicorn==20.1.0
 flask==2.0.1