Setup stats API container:

build/api/.dockerignore

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+.git
+node_modules

build/api/Dockerfile

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+# [ Stage 1 ] - install node modules
+FROM node:12.18-alpine as builder
+
+WORKDIR /build/app
+
+RUN npm i -g @nestjs/cli
+
+COPY ./app/api .
+RUN npm install 
+
+ENV NODE_ENV=production
+RUN nest build
+
+
+# ============================
+# ============================
+
+# [ Stage 2 ] 
+FROM node:12.18-alpine
+LABEL maintainer="Season 4 <webmaster@season4.io>"
+
+RUN apk update && apk add --no-cache openssl bash curl
+
+# Default envs as prod
+ENV HOST=0.0.0.0 \
+    PORT=8080 \
+    NODE_ENV=production \
+    APP_NAME=NestJS
+
+ENV APP_URL=https://${HOST}:${PORT}
+
+
+# Setup pm2 as our node process manager
+# https://pm2.keymetrics.io/docs/usage/docker-pm2-nodejs/
+RUN npm i -g pm2 @nestjs/cli
+
+RUN mkdir /opt/node_app && chown node:node /opt/node_app && mkdir /localcert && chown node:node /localcert
+RUN mkdir -p /opt/node_app/app/node_modules/ && chown node:node /opt/node_app/app/node_modules/
+
+WORKDIR /opt/node_app
+
+#USER node
+
+# Generate a localhost cert
+# RUN openssl req -newkey rsa:2048 -new -nodes -x509 -days 3650 -keyout /localcert/key.pem -out /localcert/cert.pem -subj "/C=US/ST=New Jersey/L=Warren/O=localhost/OU=IT/CN=127.0.0.1"
+
+
+ENV PATH /opt/node_app/node_modules/.bin:$PATH
+
+# Our App
+WORKDIR /opt/node_app/app
+
+# Set node modules outside our app to keep it clean
+COPY --from=builder /build/app/node_modules/ /opt/node_app/node_modules/
+
+COPY --from=builder /build/app/dist/ /opt/node_app/app/dist/
+
+COPY ./app/api/package.json ./app/api/package-lock.json* ./
+
+
+# Start script and config
+COPY ./build/api/ecosystem._PROD_.config.js  /opt/node_app/ecosystem._PROD_.config.js
+COPY ./build/api/entrypoint.sh /entrypoint.sh
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=20s --timeout=30s --start-period=5s --retries=5 \
+    CMD curl -f -k https://localhost:8443/healthz || exit 1
+
+ENTRYPOINT [ "/entrypoint.sh" ]

build/api/ecosystem._DEV_.config.js

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+module.exports = {
+	apps: [
+		{
+			name: process.env.APP_NAME,
+			cwd: '/opt/node_app/app/',
+			script: 'npm run start:dev --interpreter bash',
+			// Options reference: https://pm2.keymetrics.io/docs/usage/application-declaration/
+			instances: 1,
+			autorestart: true,
+			watch: false,
+			ignore_watch: [ 'node_modules', 'dist' ]
+		}
+	]
+};

build/api/ecosystem._PROD_.config.js

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+module.exports = {
+	apps: [
+		{
+			cwd: '/opt/node_app/app/',
+			script: 'node dist/main --interpreter bash',
+			autorestart: true,
+			instances: 1
+		}
+	]
+};

build/api/entrypoint.sh

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+#!/bin/bash
+
+echo "Node ENV: $NODE_ENV"
+
+file_env() {
+	local var="$1"
+	local fileVar="${var}_FILE"
+	local def="${2:-}"
+	if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
+		echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
+		exit 1
+	fi
+	local val="$def"
+	if [ "${!var:-}" ]; then
+		val="${!var}"
+	elif [ "${!fileVar:-}" ]; then
+		val="$(< "${!fileVar}")"
+	fi
+	export "$var"="$val"
+	unset "$fileVar"
+}
+
+# file_env 'APP_KEY'
+
+
+# # Exit if APP_KEY is missing, this key is important!
+# if [ -z "$APP_KEY" ]
+# then
+# 	echo >&2 "[ERROR] No ENV for APP_KEY or APP_KEY_FILE found!"
+# 	echo >&2 "Run the ./generate-adonis-app-key.sh script or provide one at runtime"
+# 	exit 1
+# fi
+
+
+
+if [[ "$NODE_ENV" == "production" ]]; then
+	pm2-runtime start /opt/node_app/ecosystem._PROD_.config.js
+else
+	npm install && \
+	pm2-runtime start /opt/node_app/ecosystem._DEV_.config.js
+fi