Update production scripts to install/load NodeJS/npm using nvm

production/README.md

@@ -68,6 +68,16 @@ pkg install -y boost-libs autoconf automake gmake gcc libevent libtool pkgconf
 pkg install -y mariadb55-server mariadb55-client nginx py37-certbot-nginx npm
 ```
 
+### NodeJS / npm
+
+I recommend to build nodejs / npm from source using nvm:
+```
+curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | zsh
+source $HOME/.zshrc
+nvm install node
+nvm alias default node
+```
+
 ### Rust
 
 I recommend to build rust from latest source:

production/mempool-install-all

@@ -1,4 +1,6 @@
 #!/usr/local/bin/zsh
+export NVM_DIR="$HOME/.nvm"
+source "$NVM_DIR/nvm.sh"
 for site in mainnet liquid testnet bisq
 do
     git clone https://github.com/mempool/mempool "${HOME}/${site}"

production/mempool-start-all

@@ -1,4 +1,6 @@
 #!/usr/local/bin/zsh
+export NVM_DIR="$HOME/.nvm"
+source "$NVM_DIR/nvm.sh"
 for site in mainnet liquid testnet bisq
 do
     cd "${HOME}/${site}/backend/"

production/mempool-upgrade-all

@@ -1,10 +1,17 @@
 #!/usr/local/bin/zsh -x
 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:$HOME/bin
 
-[ -f $HOME/lock ] && exit 1
+if [ -f $HOME/lock ];then
+    echo "check lockfile"
+    exit 1
+fi
+
 touch $HOME/lock
 
-echo 'rebuilding mempool sites'|wall
+export NVM_DIR="$HOME/.nvm"
+source "$NVM_DIR/nvm.sh"
+
+echo 'upgrading mempool'|wall
 
 cd "$HOME/mempool"
 git pull --rebase origin master