Merge pull request #5 from cambid/fix-dockerfile-style

Fix dockerfile style

Dockerfile

@@ -41,17 +41,17 @@ RUN ln -sf /dev/stdout /var/log/nginx/access.log
 RUN ln -sf /dev/stderr /var/log/nginx/error.log
 
 # Configurations files
-ADD conf/default.conf ${nginx_path}/conf.d/default.conf
-ADD conf/nginx.conf ${nginx_conf}
-ADD conf/supervisord.conf /etc/supervisord.conf
+COPY conf/default.conf ${nginx_path}/conf.d/default.conf
+COPY conf/nginx.conf ${nginx_conf}
+COPY conf/supervisord.conf /etc/supervisord.conf
 
 # Nginx logs to Docker log collector
 RUN ln -sf /dev/stdout /var/log/nginx/access.log && \
 	ln -sf /dev/stderr /var/log/nginx/error.log
 
 # Bludit installation
-RUN cd /tmp/ && \
-	curl -o /tmp/bludit.zip ${bludit_url} && \
+WORKDIR /tmp
+RUN curl -o /tmp/bludit.zip ${bludit_url} && \
 	unzip /tmp/bludit.zip && \
 	rm -rf /usr/share/nginx/html && \
 	mv bludit-* /usr/share/nginx/html && \