Make deployable on GCP

Based on https://cmu-313.github.io/projects/P3/deployment/#create-config-script

Dockerfile

@@ -4,14 +4,16 @@ RUN mkdir -p /usr/src/app && \
     chown -R node:node /usr/src/app
 WORKDIR /usr/src/app
 
+RUN apt-get update && apt-get install -y jq
+
 ARG NODE_ENV
 ENV NODE_ENV $NODE_ENV
 
 COPY --chown=node:node install/package.json /usr/src/app/package.json
 
 USER node
 
-RUN npm install --only=prod && \
+RUN npm install && \
     npm cache clean --force
 
 COPY --chown=node:node . /usr/src/app
@@ -22,4 +24,7 @@ ENV NODE_ENV=production \
 
 EXPOSE 4567
 
-CMD test -n "${SETUP}" && ./nodebb setup || node ./nodebb build; node ./nodebb start
+RUN chmod +x create_config.sh
+
+CMD  ./create_config.sh -n "${SETUP}" && ./nodebb setup || node ./nodebb build; node ./nodebb start
+

config_template.json

@@ -0,0 +1,12 @@
+{
+  "url": "",
+  "secret": "c5502d62-84a5-41f1-87eb-ee33a76fb7bc",
+  "database": "redis",
+  "redis": {
+    "host": "",
+    "port": "",
+    "password": "",
+    "database": "0"
+  },
+  "port": "4567"
+}

create_config.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+# Check that environment variables have been defined
+if [[ -z "${REDIS_HOST+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_HOST is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PORT+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PORT is not defined!"
+  exit 1
+fi
+
+if [[ -z "${REDIS_PASSWORD+x}" ]]; then
+  # var is not defined
+  echo "Error: REDIS_PASSWORD is not defined!"
+  exit 1
+fi
+
+if [[ -z "${DEPLOYMENT_URL+x}" ]]; then
+  # var is not defined
+  echo "Error: DEPLOYMENT_URL is not defined!"
+  exit 1
+fi
+
+# Read the JSON file
+json_data=$(cat "/usr/src/app/config_template.json")
+
+# Update the JSON file with the environment variables
+json_data=$(jq --arg deployment_url "$DEPLOYMENT_URL" '.url = $deployment_url' <<< "$json_data")
+json_data=$(jq --arg host "$REDIS_HOST" '.redis.host = $host' <<< "$json_data")
+json_data=$(jq --arg port "$REDIS_PORT" '.redis.port = $port' <<< "$json_data")
+json_data=$(jq --arg password "$REDIS_PASSWORD" '.redis.password = $password' <<< "$json_data")
+
+# Write the updated JSON file to config.json
+echo "$json_data" > "/usr/src/app/config.json"
+
+cat /usr/src/app/config.json