🐳 Add NPM to the environment

Dockerfile

@@ -1,4 +1,52 @@
 FROM adoptopenjdk/openjdk8:alpine-slim
 
-RUN apk add --update git \
-  && rm -rf /var/cache/apk/*
+ENV VERSION=v12.10.0 NPM_VERSION=6 YARN_VERSION=latest
+
+RUN apk add --update git curl make gcc g++ python linux-headers binutils-gold gnupg libstdc++ && \
+  for server in ipv4.pool.sks-keyservers.net keyserver.pgp.com ha.pool.sks-keyservers.net; do \
+    gpg --keyserver $server --recv-keys \
+      4ED778F539E3634C779C87C6D7062848A1AB005C \
+      B9E2F5981AA6E0CD28160D9FF13993A75599653C \
+      94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+      B9AE9905FFD7803F25714661B63B535A4C206CA9 \
+      77984A986EBC2AA786BC0F66B01FBB92821C587A \
+      71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+      FD3A5288F042B6850C66B31F09FE44734EB7990E \
+      8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
+      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+      DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+      A48C2BEE680E841632CD4E44F07496B3EB3C1762 && break; \
+  done && \
+  curl -sfSLO https://nodejs.org/dist/${VERSION}/node-${VERSION}.tar.xz && \
+  curl -sfSL https://nodejs.org/dist/${VERSION}/SHASUMS256.txt.asc | gpg -d -o SHASUMS256.txt && \
+  grep " node-${VERSION}.tar.xz\$" SHASUMS256.txt | sha256sum -c | grep ': OK$' && \
+  tar -xf node-${VERSION}.tar.xz && \
+  cd node-${VERSION} && \
+  ./configure --prefix=/usr ${CONFIG_FLAGS} && \
+  make -j$(getconf _NPROCESSORS_ONLN) && \
+  make install && \
+  cd / && \
+  if [ -z "$CONFIG_FLAGS" ]; then \
+    if [ -n "$NPM_VERSION" ]; then \
+      npm install -g npm@${NPM_VERSION}; \
+    fi; \
+    find /usr/lib/node_modules/npm -name test -o -name .bin -type d | xargs rm -rf; \
+    if [ -n "$YARN_VERSION" ]; then \
+      for server in ipv4.pool.sks-keyservers.net keyserver.pgp.com ha.pool.sks-keyservers.net; do \
+        gpg --keyserver $server --recv-keys \
+          6A010C5166006599AA17F08146C2130DFD2497F5 && break; \
+      done && \
+      curl -sfSL -O https://yarnpkg.com/${YARN_VERSION}.tar.gz -O https://yarnpkg.com/${YARN_VERSION}.tar.gz.asc && \
+      gpg --batch --verify ${YARN_VERSION}.tar.gz.asc ${YARN_VERSION}.tar.gz && \
+      mkdir /usr/local/share/yarn && \
+      tar -xf ${YARN_VERSION}.tar.gz -C /usr/local/share/yarn --strip 1 && \
+      ln -s /usr/local/share/yarn/bin/yarn /usr/local/bin/ && \
+      ln -s /usr/local/share/yarn/bin/yarnpkg /usr/local/bin/ && \
+      rm ${YARN_VERSION}.tar.gz*; \
+    fi; \
+  fi && \
+  apk del curl make gcc g++ python linux-headers binutils-gold gnupg ${DEL_PKGS} && \
+  rm -rf ${RM_DIRS} /node-${VERSION}* /SHASUMS256.txt /tmp/* /var/cache/apk/* \
+    /usr/share/man/* /usr/share/doc /root/.npm /root/.node-gyp /root/.config \
+    /usr/lib/node_modules/npm/man /usr/lib/node_modules/npm/doc /usr/lib/node_modules/npm/html /usr/lib/node_modules/npm/scripts && \
+  { rm -rf /root/.gnupg || true; }