Add scripts for continous deployment

docker-compose.yaml

@@ -2,7 +2,7 @@ version: '3.3'
 
 services:
   frontend:
-    image: lipopescu/wna:frontend_latest
+    image: lipopescu/wna:frontend_${TAG}
     expose:
       - 8081
     ports:
@@ -11,7 +11,7 @@ services:
       - fe-be
 
   mq_proxy:
-    image: lipopescu/wna:mq_proxy_latest
+    image: lipopescu/wna:mq_proxy_${TAG}
     expose:
       - 8080
     ports:
@@ -62,7 +62,7 @@ services:
       - rmq-network
 
   db_server:
-    image: lipopescu/wna:db_server_latest
+    image: lipopescu/wna:db_server_${TAG}
     expose:
       - "3001"
     ports:
@@ -77,7 +77,7 @@ services:
       - db
 
   mailsender:
-    image: lipopescu/wna:mailsender_latest
+    image: lipopescu/wna:mailsender_${TAG}
     expose:
       - "3434"
     ports:

start-containers.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+LAST_COMMIT_LONG=$(git ls-remote git@github.com:lucic71/War-News-Aggregator.git HEAD | awk '{ print $1 }')
+LAST_COMMIT=$(git rev-parse --short=8 $LAST_COMMIT_LONG)
+
+TAG=${LAST_COMMIT} docker-compose up -d
+./update-containers.sh &

stop-containers.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+LAST_COMMIT_LONG=$(git ls-remote git@github.com:lucic71/War-News-Aggregator.git HEAD | awk '{ print $1 }')
+LAST_COMMIT=$(git rev-parse --short=8 $LAST_COMMIT_LONG)
+
+TAG=${LAST_COMMIT} docker-compose down
+pkill -f ./update-containers.sh

update-containers.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+while :
+do
+    LAST_COMMIT_LONG=$(git ls-remote git@github.com:lucic71/War-News-Aggregator.git HEAD | awk '{ print $1 }')
+    LAST_COMMIT=$(git rev-parse --short=8 $LAST_COMMIT_LONG)
+
+    # If the latest image is not running locally, download it from DockerHub
+    if ! docker container ls | grep -q "${LAST_COMMIT}" ; then
+        # We must be sure that all four docker images were uploaded to DockerHub
+        until [ `wget -q https://registry.hub.docker.com/v1/repositories/lipopescu/wna/tags -O -  | sed -e 's/[][]//g' -e 's/"//g' -e 's/ //g' | tr '}' '\n'  | awk -F: '{print $3}' | pcregrep -M "${LAST_COMMIT}" | wc -l` -eq 4 ]
+        do
+            :
+        done
+
+        # After the images were uploaded to DockerHub by the Github runner, the containers are ready to be upgraded
+        TAG=${LAST_COMMIT} docker-compose up -d
+        echo "Containers updated successfully to version ${LAST_COMMIT}"
+    fi
+
+    # Sleep for 5 minutes as commits are not generated very often
+    sleep $((5 * 60))
+done