Update Dockerfile

Author: jerryhopper

Dockerfile

@@ -16,7 +16,7 @@
 
 ###### Setup the java and fusionauth-app base #####################################################
 #FROM ubuntu:bionic as build
-FROM --platform=$BUILDPLATFORM ubuntu:focal as build
+FROM ubuntu:focal as build
 
 #ARG JDK_MODULES=java.base,java.compiler,java.desktop,java.instrument,java.management,java.naming,java.rmi,java.security.jgss,java.security.sasl,java.sql,java.xml.crypto,jdk.attach,jdk.crypto.ec,jdk.jdi,jdk.localedata,jdk.scripting.nashorn,jdk.unsupported
 ARG JDK_MODULES=java.base,java.compiler,java.desktop,java.instrument,java.logging,java.management,java.naming,java.rmi,java.security.jgss,java.security.sasl,java.scripting,java.sql,java.xml.crypto,jdk.attach,jdk.crypto.ec,jdk.dynalink,jdk.jdi,jdk.localedata,jdk.jpackage,jdk.unsupported,jdk.zipfs
@@ -65,7 +65,7 @@ RUN ARCH="$(dpkg --print-architecture)"; \
      && unzip -nq /tmp/fusionauth-app.zip -d /usr/local/fusionauth
 
 ###### Use Ubuntu latest and only copy in what we need to reduce the layer size ###################
-FROM --platform=$BUILDPLATFORM ubuntu:focal
+FROM ubuntu:focal
 RUN useradd -d /usr/local/fusionauth -U fusionauth
 COPY --from=build /opt/openjdk /opt/openjdk
 COPY --chown=fusionauth:fusionauth --from=build /usr/local/fusionauth /usr/local/fusionauth