reset docker

Dockerfile

@@ -14,10 +14,10 @@ RUN wget -O - https://www.openssl.org/source/openssl-1.1.1u.tar.gz | tar zxf - \
     && ./config --prefix=/usr/local \
     && make -j $(nproc) \
     make install_sw install_ssldirs \
-    ldconfig -v \
-    export SSL_CERT_DIR=/etc/ssl/certs \
-    export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH \
-    apt-get install build-essential libssl-dev ca-certificates libasound2 wget
+    ldconfig -v
+ENV SSL_CERT_DIR=/etc/ssl/certs
+ENV LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
+RUN apt-get install build-essential libssl-dev ca-certificates libasound2 wget
 
 
 # Set up a new user named "user" with user ID 1000