push

Dockerfile

@@ -26,16 +26,16 @@ RUN wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add
     && apt-get install -y google-chrome-stable
 
 # Install ChromeDriver
-RUN CHROMEDRIVER_VERSION=`curl -sS chromedriver.storage.googleapis.com/LATEST_RELEASE` \
+RUN CHROMEDRIVER_VERSION=$(curl -sS chromedriver.storage.googleapis.com/LATEST_RELEASE) \
     && wget -O /tmp/chromedriver.zip http://chromedriver.storage.googleapis.com/$CHROMEDRIVER_VERSION/chromedriver_linux64.zip \
     && unzip /tmp/chromedriver.zip chromedriver -d /usr/local/bin/
 
 # Install Python dependencies
 COPY requirements.txt /tmp/requirements.txt
-RUN set -ex && \
-    pip install --upgrade pip && \
-    pip install -r /tmp/requirements.txt && \
-    rm -rf /root/.cache/
+RUN pip install --no-cache-dir --upgrade pip \
+    && pip install --no-cache-dir -r /tmp/requirements.txt
+
+# Copy application code
 COPY . /code
 
 WORKDIR /code