Update Dockerfile to push both latest and versioned tag (#102)

README.md

@@ -116,7 +116,7 @@ Additionally, from the **Main Menu**:
 
 ### Easily run the tool via Docker (recommended)
 
-_This is the easiest way to get going, if you have [Docker](https://docs.docker.com/get-docker/) installed. Just issue the following commands:_
+_This is the easiest way to get going, if you have [Docker](https://docs.docker.com/get-docker/) installed. Just download the [`reminder` image](https://hub.docker.com/r/goyalmunish/reminder/tags) by issuing the following commands:_
 
 ```sh
 # pull the image

dev_guide.md

@@ -87,9 +87,15 @@ cd cmd/reminder
 
 ## Build Docker Image
 
-_Make use of [`build_image.sh`](./scripts/build_image.sh) to build and push (requires admin rights) Docker image:_
+_Make use of [`build_image.sh`](./scripts/build_image.sh) to build and push (requires admin rights) [Docker image](https://hub.docker.com/r/goyalmunish/reminder/tags):_
 
 ```sh
+# cd into repo
 cd reminder/
-. ./scripts/build_image.sh
+
+# example, setting version
+VERSION=v1.0.0
+
+# building images and pushing them
+. ./scripts/build_image.sh VERSION
 ```

scripts/build_image.sh

@@ -7,10 +7,12 @@ REMINDER_IMAGE=reminder
 REMINDER_CONTAINER=reminder
 TAG="${@:-latest}"
 
-# building and pushing default (bionic) image
+# building and pushing default image
 echo "STEP-01: Build and tagging the default image"
 docker build -t goyalmunish/${REMINDER_IMAGE} -f Dockerfile ./
-echo "STEP-02: Push the default image"
+echo "STEP-03: Push the images"
+docker push goyalmunish/${REMINDER_IMAGE}:latest
 docker push goyalmunish/${REMINDER_IMAGE}:${TAG}
 echo "STEP-03: Pull the default image"
+docker pull goyalmunish/${REMINDER_IMAGE}:latest
 docker pull goyalmunish/${REMINDER_IMAGE}:${TAG}