update: get env var and add ci/cd

.github/workflows/deploy-cf.yml

@@ -0,0 +1,17 @@
+name: Deploy to IBM Cloud Foundry
+on:
+  push:
+    branches: [ master ]
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Deploy to IBM Cloud Foundry
+        # You may pin to the exact commit or the version.
+        uses: IBM/cloudfoundry-deploy@master
+        with:
+          IBM_CLOUD_API_KEY: ${{ secrets.IBM_CLOUD_API_KEY }}
+          IBM_CLOUD_CF_API: ${{ secrets.IBM_CLOUD_CF_API }}
+          IBM_CLOUD_CF_ORG: ${{ secrets.IBM_CLOUD_CF_ORG }}
+          IBM_CLOUD_CF_SPACE: ${{ secrets.IBM_CLOUD_CF_SPACE }}

Dockerfile.app

@@ -41,9 +41,6 @@ EXPOSE 8080
 # Copy further configuration files into the Docker image
 COPY shiny-server.sh /usr/bin/shiny-server.sh
 
-# Copy environment variables
-COPY .Renviron /srv/shiny-server/
-
 # Jar file
 COPY jars /srv/shiny-server/jars
 

README.md

@@ -39,3 +39,9 @@ docker push th1460/dash-covid
 # Deploy shiny
 ibmcloud cf push dash-covid --docker-image th1460/dash-covid -k 2G
 ```
+
+## CI/CD
+
+Reference to CI/CD used here: 
+
+https://github.com/marketplace/actions/deploy-to-ibm-cloud-foundry

app.R

@@ -3,8 +3,6 @@ require(shiny)
 require(magrittr)
 require(thematic)
 
-readRenviron(".Renviron")
-
 drv <-
   RJDBC::JDBC("com.ibm.db2.jcc.DB2Driver", "jars/db2jcc4.jar")
 

manifest.yml

@@ -1,5 +1,5 @@
 ---
 applications:
 - name: dash-covid
-  memory: 256M
+  memory: 384M
   random-route: true

shiny-server.sh

@@ -1,5 +1,9 @@
 #!/bin/sh
 
+# Get environment variables
+env | grep 'DB2' > /home/shiny/.Renviron
+chown shiny.shiny /home/shiny/.Renviron
+
 # Make sure the directory for individual app logs exists
 mkdir -p /var/log/shiny-server
 chown shiny.shiny /var/log/shiny-server