chore: update Dockerfile and add entrypoint

Dockerfile

@@ -1,17 +1,19 @@
 # BUILD STAGE
 FROM debian:stretch as build-stage
 
-ENV BUILD_DIR /root/build/cncjs
+ENV BUILD_DIR /tmp/build
 ENV NVM_DIR /root/.nvm
 ENV NODE_VERSION v12.22.1
 ENV NODE_ENV production
 ENV NODE_PATH $NVM_DIR/$NODE_VERSION/lib/node_modules
 ENV PATH $NVM_DIR/versions/node/$NODE_VERSION/bin:$PATH
 
 RUN apt-get update -y && apt-get install -y -q --no-install-recommends \
+  apt-utils \
+  ca-certificates \
   python-pip \
-  git \
   curl \
+  git \
   make \
   g++ \
   udev
@@ -24,39 +26,29 @@ RUN git clone https://github.com/nvm-sh/nvm.git "$NVM_DIR" \
   && nvm alias default "$NODE_VERSION" \
   && nvm use --delete-prefix default
 
-WORKDIR $BUILD_DIR
-COPY ./dist/cncjs $BUILD_DIR
+COPY ./dist/cncjs $BUILD_DIR/cncjs
+COPY ./entrypoint $BUILD_DIR/entrypoint
 
+WORKDIR $BUILD_DIR/cncjs
 RUN npm install -g npm@latest && npm install -g yarn && yarn --production
 
 # FINAL STAGE
 FROM debian:stretch
 
-ENV BUILD_DIR /root/build
 ENV NVM_DIR /root/.nvm
 ENV NODE_VERSION v12.22.1
 ENV NODE_ENV production
 ENV NODE_PATH $NVM_DIR/$NODE_VERSION/lib/node_modules
 ENV PATH $NVM_DIR/versions/node/$NODE_VERSION/bin:$PATH
 
 RUN apt-get update -y && apt-get install -y -q --no-install-recommends \
-  python-pip \
-  git \
-  curl \
-  make \
-  g++ \
+  ca-certificates \
   udev
 
-RUN git clone https://github.com/nvm-sh/nvm.git "$NVM_DIR" \
-  && cd "$NVM_DIR" \
-  && git checkout `git describe --abbrev=0 --tags --match "v[0-9]*" $(git rev-list --tags --max-count=1)` \
-  && . "$NVM_DIR/nvm.sh" \
-  && nvm install "$NODE_VERSION" \
-  && nvm alias default "$NODE_VERSION" \
-  && nvm use --delete-prefix default
-
-WORKDIR /home/cncjs
-COPY --from=build-stage $BUILD_DIR /home/cncjs
-
+WORKDIR /opt/cncjs
 EXPOSE 8000
-CMD [ "node", "-p", "require('./server-cli')()" ]
+ENTRYPOINT ["/entrypoint"]
+
+COPY --from=build-stage /root/.nvm $NVM_DIR
+COPY --from=build-stage /tmp/build/cncjs /opt/cncjs
+COPY --from=build-stage /tmp/build/entrypoint /entrypoint

entrypoint

@@ -0,0 +1,7 @@
+#!/usr/bin/env node
+
+const launchServer = require('/opt/cncjs/server-cli').default;
+
+launchServer().catch(err => {
+  console.error('Error:', err);
+});