[+] produce "latest" and semver tags for all Docker images (#556)

[+] mention pgwatch-demo in README as a Quick Start

.github/workflows/release.yml

@@ -34,8 +34,8 @@ jobs:
       fail-fast: true
       matrix:
         image: [ 
-          {file: 'Dockerfile', tag: ''}, 
-          {file: 'demo/Dockerfile', tag: '-demo'}
+          {file: 'Dockerfile', prefix: ''}, 
+          {file: 'demo/Dockerfile', prefix: '-demo'}
         ]
     runs-on: ubuntu-latest
     steps:
@@ -62,7 +62,7 @@ jobs:
         VERSION: ${{ github.ref_name }}
         GIT_TIME: ${{ steps.version.outputs.RELEASE_TIME }}     
       with:
-        name: cybertecpostgresql/pgwatch${{ matrix.image.tag }}
+        name: cybertecpostgresql/pgwatch${{ matrix.image.prefix }}
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
         dockerfile: docker/${{ matrix.image.file }}
@@ -71,14 +71,14 @@ jobs:
         platforms: linux/amd64,linux/arm64
 
     - name: Publish "latest" tag to Registry
-      if: ${{ !contains(github.ref_name, 'beta') && matrix.image.tag == '-demo' }}
+      if: ${{ !contains(github.ref_name, 'beta') }}
       uses: elgohr/Publish-Docker-Github-Action@v5
       env:
         GIT_HASH: ${{ github.sha }}
         VERSION: ${{ github.ref_name }}
         GIT_TIME: ${{ steps.version.outputs.RELEASE_TIME }}     
       with:
-        name: cybertecpostgresql/pgwatch${{ matrix.image.tag }}
+        name: cybertecpostgresql/pgwatch${{ matrix.image.prefix }}
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
         dockerfile: docker/${{ matrix.image.file }}
@@ -87,14 +87,14 @@ jobs:
         platforms: linux/amd64,linux/arm64
 
     - name: Publish "X.X.X, X.X, X" tags to Registry
-      if: ${{ !contains(github.ref_name, 'beta') && matrix.image.tag == '' }}
+      if: ${{ !contains(github.ref_name, 'beta') }}
       uses: elgohr/Publish-Docker-Github-Action@v5
       env:
         GIT_HASH: ${{ github.sha }}
         VERSION: ${{ github.ref_name }}
         GIT_TIME: ${{ steps.version.outputs.RELEASE_TIME }}     
       with:
-        name: cybertecpostgresql/pgwatch${{ matrix.image.tag }}
+        name: cybertecpostgresql/pgwatch${{ matrix.image.prefix }}
         username: ${{ secrets.DOCKER_USERNAME }}
         password: ${{ secrets.DOCKER_PASSWORD }}
         dockerfile: docker/${{ matrix.image.file }}

README.md

@@ -10,7 +10,25 @@ This is the next generation of [pgwatch2](https://github.com/cybertec-postgresql
 
 ## Quick Start
 
-For the fastest development experience the Docker compose file is provided:
+To fetch and run the latest **demo** Docker image, exposing 
+- Grafana on port 3000, 
+- the administrative web UI on port 8080,
+- the internal configuration and metrics database on port 5432:
+
+```shell
+docker run -d --name pw3 -p 5432:5432 -p 3000:3000 -p 8080:8080 -e PW_TESTDB=true cybertecpostgresql/pgwatch-demo
+```
+
+After some minutes you could open the ["Database Overview"](http://127.0.0.1:3000/dashboard/db/db-overview) dashboard and start looking at metrics. For defining your own dashboards you need to log in Grafana as admin (`admin`/`pgwatchadmin`).
+
+If you don't want to add the test database for monitoring, remove the `NOTESTDB=1` parameter when launching the container.
+
+
+
+## Development and production use
+
+For production and long term installation `cybertecpostgresql/pgwatch` Docker image should be used. 
+For the fastest development and deployment experience the Docker compose files are provided:
 
 ```shell
 git clone https://github.com/cybertec-postgresql/pgwatch.git && cd pgwatch

docs/README.md

@@ -23,15 +23,15 @@ Launching the latest pgwatch Docker image with built-in Postgres
 metrics storage DB:
 
     # run the latest Docker image, exposing Grafana on port 3000 and the administrative web UI on 8080
-    docker run -d -p 3000:3000 -p 8080:8080 -e PW_TESTDB=true --name pw3 cybertec/pgwatch
+    docker run -d --name pw3 -p 5432:5432 -p 3000:3000 -p 8080:8080 -e PW_TESTDB=true cybertecpostgresql/pgwatch-demo
 
-After some minutes you could for example open the [DB
-overview](http://127.0.0.1:3000/dashboard/db/db-overview) dashboard
+After some minutes you could for example open the ["Database
+Overview"](http://127.0.0.1:3000/dashboard/db/db-overview) dashboard
 and start looking at metrics in Grafana. For defining your own
-dashboards or making changes you need to log in as admin (default
-user/password: `admin/pgwatchadmin`).
+dashboards or making changes you need to log in Grafana as admin (default
+user/password: `admin`/`pgwatchadmin`).
 
-If you don't want to add the `"test"` database (the pgwatch
+If you don't want to add the `test` database (the pgwatch
 configuration DB holding connection strings to monitored DBs and metric
 definitions) to monitoring, remove the `PW_TESTDB` env variable.