Further improvements

* updated based on reiew comments from @kkopachev
  - adding a comment on pinning to pip 9.0.3
  - updating Pillow-SIMD to latest supported version 4.3.0.post0
  - updating docker-entrypoint to use `python -m thumbor/server`
    to avoid thumbor not finding Pillow
    see uploadcare/pillow-simd#17
* removed unused thumbor-multiprocess-simd

thumbor/Dockerfile

@@ -20,6 +20,8 @@ ENV WORKON_HOME /usr/src/app
 WORKDIR /usr/src/app
 
 COPY requirements.txt /usr/src/app/requirements.txt
+# pinning to 9.0.3 because of tornado-botocore.
+# See https://github.com/nanvel/tornado-botocore/pull/14
 RUN pip install -U pip==9.0.3
 RUN pip install --trusted-host None --no-cache-dir \
    -r /usr/src/app/requirements.txt
@@ -32,7 +34,7 @@ RUN \
 
 ARG SIMD_LEVEL
 # pinning to 4.3.0 see https://github.com/uploadcare/pillow-simd/issues/17
-RUN if [ -n "$SIMD_LEVEL" ]; then pip uninstall -y pillow; CC="cc -m$SIMD_LEVEL" pip install --no-cache-dir -U --force-reinstall git+git://github.com/uploadcare/pillow-simd@d87f2d67ea62d03432f76e33d428e0b07768c94a#egg=Pillow==4.3.0; fi
+RUN if [ -n "$SIMD_LEVEL" ]; then pip uninstall -y pillow; CC="cc -m$SIMD_LEVEL" pip install --no-cache-dir -U --force-reinstall Pillow-SIMD==4.3.0.post0; fi
 
 COPY docker-entrypoint.sh /
 ENTRYPOINT ["/docker-entrypoint.sh"]

thumbor/docker-entrypoint.sh

@@ -16,7 +16,7 @@ if [ -z ${THUMBOR_PORT+x} ]; then
 fi
 
 if [ "$1" = 'thumbor' ]; then
-    exec thumbor --port=$THUMBOR_PORT --conf=/usr/src/app/thumbor.conf $LOG_PARAMETER
+    exec python -m thumbor/server --port=$THUMBOR_PORT --conf=/usr/src/app/thumbor.conf $LOG_PARAMETER
 fi
 
 exec "$@"

thumbor/requirements.txt

@@ -7,8 +7,7 @@ pyremotecv==0.5.0
 remotecv==2.2.1
 opencv-engine==1.0.1
 thumbor==6.4.2
-# see https://github.com/nanvel/tornado-botocore/pull/14
-git+git://github.com/Tenzer/tornado-botocore.git@pip-10-installation#egg=tornado-botocore
+tornado-botocore==1.3.1
 tc-aws==6.2.7
 tc-core==0.4.0
 tc-shortener==0.2.2