adds Dockerfile to build immutable application image

bitnami/express/rootfs/app-entrypoint.sh

@@ -81,6 +81,17 @@ add_sample_code() {
   fi
 }
 
+add_dockerfile() {
+  if [[ ! -f Dockerfile ]]; then
+    cp -r /dist/Dockerfile.tpl Dockerfile
+    sed -i 's/{{BITNAMI_IMAGE_VERSION}}/'"$BITNAMI_IMAGE_VERSION"'/g' Dockerfile
+  fi
+
+  if [[ ! -f .dockerignore ]]; then
+    cp -r /dist/.dockerignore .
+  fi
+}
+
 npm_install() {
   if ! [[ -n $SKIP_NPM_INSTALL && $SKIP_NPM_INSTALL -gt 0 ]] && [[ -f package.json ]] && ! dependencies_up_to_date; then
     log "Installing/Updating Express dependencies (npm)"
@@ -109,6 +120,8 @@ if [ "$1" == npm ] && [ "$2" == "start" -o "$2" == "run" ]; then
     add_sample_code
   fi
 
+  add_dockerfile
+
   npm_install
 
   if ! fresh_container; then

bitnami/express/rootfs/dist/.dockerignore

@@ -0,0 +1,5 @@
+.git/
+node_modules/
+.gitignore
+docker-compose.yml
+

bitnami/express/rootfs/dist/Dockerfile.tpl

@@ -0,0 +1,31 @@
+## GENERATED BY bitnami/express:{{BITNAMI_IMAGE_VERSION}} IMAGE
+## BROUGHT TO YOU BY BITNAMI.
+##
+## BUILDING
+##   (from project root directory)
+##   $ docker build -t myapp .
+##
+## RUNNING
+##   $ docker run -p 3000:3000 myapp
+##
+
+FROM bitnami/express:{{BITNAMI_IMAGE_VERSION}}
+MAINTAINER john.smith@acme.com
+
+ENV DISABLE_WELCOME_MESSAGE=1
+
+ENV NODE_ENV=production \
+    PORT=3000
+
+# fine tune the behavior of the default entrypoint
+ENV SKIP_DB_WAIT=0 \
+    SKIP_DB_MIGRATION=1 \
+    SKIP_NPM_INSTALL=1
+
+COPY . /app
+RUN sudo chown -R bitnami: /app
+
+RUN npm install
+
+EXPOSE 3000
+CMD ["npm", "start"]