Update pip version in images

(cherry picked from commit 4d53683)

Author: deliahu

images/downloader/Dockerfile

@@ -9,6 +9,7 @@ RUN apt-get update -qq && apt-get install -y -q \
     && apt-get clean -qq && rm -rf /var/lib/apt/lists/* && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     python3.6 get-pip.py && \
+    pip install --upgrade pip && \
     rm -rf /root/.cache/pip*
 
 COPY pkg/workloads/cortex/lib/requirements.txt /src/cortex/lib/requirements.txt

images/manager/Dockerfile

@@ -4,7 +4,8 @@ WORKDIR /root
 
 ENV PATH /root/.local/bin:$PATH
 
-RUN pip install awscli --upgrade --user && \
+RUN pip install --upgrade pip && \
+    pip install awscli --upgrade --user && \
     rm -rf /root/.cache/pip*
 
 RUN apk add --no-cache bash curl gettext jq openssl

images/onnx-serve-gpu/Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get update -qq && apt-get install -y -q \
     && apt-get clean -qq && rm -rf /var/lib/apt/lists/* && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     python3.6 get-pip.py && \
+    pip install --upgrade pip && \
     rm -rf /root/.cache/pip*
 
 ENV PYTHONPATH "${PYTHONPATH}:/src:/mnt/project"

images/onnx-serve/Dockerfile

@@ -19,6 +19,7 @@ RUN apt-get update -qq && apt-get install -y -q \
     && apt-get clean -qq && rm -rf /var/lib/apt/lists/* && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     python3.6 get-pip.py && \
+    pip install --upgrade pip && \
     rm -rf /root/.cache/pip*
 
 ENV PYTHONPATH "${PYTHONPATH}:/src:/mnt/project"

images/predictor-serve-gpu/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update -qq && apt-get install -y -q \
     && apt-get clean -qq && rm -rf /var/lib/apt/lists/* && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     python3.6 get-pip.py && \
+    pip install --upgrade pip && \
     rm -rf /root/.cache/pip*
 
 ENV PYTHONPATH "${PYTHONPATH}:/src:/mnt/project"

images/predictor-serve/Dockerfile

@@ -17,6 +17,7 @@ RUN apt-get update -qq && apt-get install -y -q \
     && apt-get clean -qq && rm -rf /var/lib/apt/lists/* && \
     curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
     python3.6 get-pip.py && \
+    pip install --upgrade pip && \
     rm -rf /root/.cache/pip*
 
 ENV PYTHONPATH "${PYTHONPATH}:/src:/mnt/project"

images/test/Dockerfile

@@ -3,7 +3,8 @@ FROM python:3.6
 ENV PYTHONPATH="/src:${PYTHONPATH}"
 
 COPY pkg/workloads/cortex/lib/requirements.txt /src/cortex/lib/requirements.txt
-RUN pip install -r /src/cortex/lib/requirements.txt && \
+RUN pip install --upgrade pip && \
+    pip install -r /src/cortex/lib/requirements.txt && \
     pip install pytest mock && \
     rm -rf /root/.cache/pip*
 

images/tf-api/Dockerfile

@@ -18,7 +18,8 @@ RUN apt-get update -qq && apt-get install -y -q \
 
 COPY pkg/workloads/cortex/lib/requirements.txt /src/cortex/lib/requirements.txt
 COPY pkg/workloads/cortex/tf_api/requirements.txt /src/cortex/tf_api/requirements.txt
-RUN pip install -r /src/cortex/lib/requirements.txt && \
+RUN pip install --upgrade pip && \
+    pip install -r /src/cortex/lib/requirements.txt && \
     pip install -r /src/cortex/tf_api/requirements.txt && \
     rm -rf /root/.cache/pip*