diff --git a/docker-compose.yml b/docker-compose.yml
index ace282f29..8f4dd44b9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -8,12 +8,14 @@ services:
       args:
         - https_proxy
         - http_proxy
+        - no_proxy
     command: mvn -v
     environment:
       KNOWLEDGE_TEST_MAIL: 'false'
       MAVEN_CONFIG: /var/maven/.m2
       https_proxy: ${https_proxy}
       http_proxy: ${http_proxy}
+      no_proxy: ${no_proxy}
     working_dir: /usr/src/mymaven/
     entrypoint: ''
     volumes:
@@ -35,6 +37,7 @@ services:
     environment:
       https_proxy: ${https_proxy}
       http_proxy: ${http_proxy}
+      no_proxy: ${no_proxy}
     volumes:
       - ${KNOWLEDGE_HOME}.knowledge:/root/.knowledge
       - $PWD/target/webapps:/usr/local/tomcat/webapps
diff --git a/launch.sh b/launch.sh
index 633d9a5ef..da93fef0f 100755
--- a/launch.sh
+++ b/launch.sh
@@ -1,11 +1,29 @@
 #!/bin/bash -eu
 
-docker-compose run --rm maven mvn install -DskipTests=true -Dmaven.javadoc.skip=true -e
-# docker-compose run --rm maven mvn clean test site -e
-docker-compose run --rm maven mvn clean package -e
+propagate_proxy_vars () {
+  # For newer JVM versions, use this instead.
+  # echo " -Djava.net.useSystemProxies=true"
 
-mkdir target/webapps
-mv target/knowledge.war target/webapps/ROOT.war
+  if test -n "$https_proxy"; then
+    echo " -Dhttps.proxyHost=$(echo $https_proxy | sed 's|.*://||; s|:.*||')"
+    echo " -Dhttps.proxyPort=$(echo $https_proxy | sed 's|.*:||')"
+  fi
+  if test -n "$http_proxy"; then
+    echo " -Dhttp.proxyHost=$(echo $http_proxy | sed 's|.*://||; s|:.*||')"
+    echo " -Dhttp.proxyPort=$(echo $http_proxy | sed 's|.*:||')"
+  fi
+  if test -n "$no_proxy"; then
+    echo " -Dhttp.nonProxyHosts=$(echo $no_proxy | sed 's/,\./,*./g; s/,/|/g')"
+  fi
+}
+
+docker-compose run --rm maven mvn install -DskipTests=true -Dmaven.javadoc.skip=true -e $(propagate_proxy_vars)
+# docker-compose run --rm maven mvn clean test site -e $(propagate_proxy_vars)
+docker-compose run --rm maven mvn clean package -e $(propagate_proxy_vars)
+
+# Run everything through docker-compose to work around permission issues.
+docker-compose run --rm maven mkdir target/webapps
+docker-compose run --rm maven mv target/knowledge.war target/webapps/ROOT.war
 
 docker-compose up --build -d tomcat
 docker-compose logs -f tomcat