install go,python

Dockerfile

@@ -3,10 +3,24 @@ FROM node:14
 RUN apt-get update && apt-get install -y wget unzip openssh-server
 
 # install java 11
+RUN wget https://download.java.net/java/GA/jdk11/9/GPL/openjdk-11.0.2_linux-x64_bin.tar.gz &&\
+    tar -zxvf openjdk-11.0.2_linux-x64_bin.tar.gz &&\
+    mv jdk-11.0.2 /usr/local/jdk11 &&\
+    rm -rf openjdk-11.0.2_linux-x64_bin.tar.gz
 
 # install python3.8
+RUN wget https://www.python.org/ftp/python/3.8.0/Python-3.8.0.tgz &&\
+    tar -zxvf Python-3.8.0.tgz &&\
+    cd Python-3.8.0 &&\
+    ./configure --prefix=/usr/local/python3.8 &&\
+    make && make install &&\
+    rm -rf Python-3.8.0.tgz
 
-# install go 
+# install go
+RUN wget https://dl.google.com/go/go1.14.2.linux-amd64.tar.gz &&\
+    tar -zxvf go1.14.2.linux-amd64.tar.gz &&\
+    mv go /usr/local/go &&\
+    rm -rf go1.14.2.linux-amd64.tar.gz
 
 # install vscode and extension
 RUN curl -fsSL https://code-server.dev/install.sh | sh &&\