Implement Github Action for base image

.github/workflows/build-base.yaml

@@ -0,0 +1,40 @@
+name: build-latest
+on:
+  workflow_dispatch:
+    inputs:
+      distro:
+        description: Base image distro
+        required: true
+        default: debian
+      imageVersion:
+        description: Base distro image version/release
+        required: true
+        default: bullseye
+      imageVariant:
+        description: Base image variant
+        required: true
+        default: slim
+  push:
+jobs:
+  build-base:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Build base image
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: base_build
+          file: Dockerfile
+          push: true
+          tags: ${{ secrets.DOCKERHUB_REPO }}/postgis:${{ github.event.inputs.distro }}-${{ github.event.inputs.imageVersion }}-${{ github.event.inputs.imageVariant }}

build.sh

@@ -2,8 +2,8 @@
 POSTGRES_MAJOR_VERSION=13
 POSTGIS_MINOR_RELEASE=1
 
-cd base_build
+pushd base_build
 ./build.sh
-cd ..
+popd
 docker build -t kartoza/postgis:manual-build .
 docker build --build-arg DISTRO=debian --build-arg IMAGE_VERSION=bullseye --build-arg IMAGE_VARIANT=slim -t kartoza/postgis:${POSTGRES_MAJOR_VERSION}.${POSTGIS_MINOR_RELEASE} .