check for dependency before pip install

Signed-off-by: Maysun J Faisal <maysunaneek@gmail.com>

Author: maysunfaisal

docker/Dockerfile

@@ -7,14 +7,16 @@ ENV FLASK_PORT=8081
 # Set the working directory in the container
 WORKDIR /projects
 
-# Copy the dependencies file to the working directory
-COPY requirements.txt .
-
-# Install any dependencies
-RUN pip install -r requirements.txt
-
 # Copy the content of the local src directory to the working directory
 COPY . .
 
+# Install any dependencies
+RUN \
+  if [ -f requirements.txt ]; \
+    then pip install -r requirements.txt; \
+  elif [ `ls -1q *.txt | wc -l` == 1 ]; \
+    then pip install -r *.txt; \
+  fi
+
 # Specify the command to run on container start
 CMD [ "python", "." ]