This issue relates to laradock#563, which also occurs on Mac. This has been one of the solutions proposed.

Author: lawrenceeldridge

workspace/Dockerfile-56

@@ -117,13 +117,17 @@ COPY ./aliases.sh /home/laradock/aliases.sh
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 USER root
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 #####################################
 # xDebug:

workspace/Dockerfile-70

@@ -117,13 +117,17 @@ COPY ./aliases.sh /home/laradock/aliases.sh
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 USER root
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 #####################################
 # xDebug:

workspace/Dockerfile-71

@@ -113,13 +113,17 @@ COPY ./aliases.sh /home/laradock/aliases.sh
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 USER root
 RUN echo "" >> ~/.bashrc && \
     echo "# Load Custom Aliases" >> ~/.bashrc && \
     echo "source /home/laradock/aliases.sh" >> ~/.bashrc && \
-    echo "" >> ~/.bashrc
+	echo "" >> ~/.bashrc && \
+	sed -i 's/\r//' /home/laradock/aliases.sh && \
+	sed -i 's/^#! \/bin\/sh/#! \/bin\/bash/' /home/laradock/aliases.sh
 
 #####################################
 # xDebug: