Update element/Makefile, element/Dockerfile, .gitlab-ci.yml files

element/Dockerfile

@@ -0,0 +1,8 @@
+FROM nginx:alpine
+
+COPY ./element /app
+
+# Insert wasm type into Nginx mime.types file so they load correctly.
+RUN sed -i '3i\ \ \ \ application/wasm wasm\;' /etc/nginx/mime.types \
+ && rm -rf /usr/share/nginx/html \
+ && ln -s /app /usr/share/nginx/html

element/Makefile

@@ -0,0 +1,20 @@
+NAMESPACE=alemairebe
+IMAGE=element
+VERSION=v1.7.26
+
+push: get decompress build
+
+get:
+	wget https://github.com/vector-im/element-web/releases/download/${VERSION}/element-${VERSION}.tar.gz
+
+decompress:
+	tar -xf element-$(VERSION).tar.gz
+    mv element-$(VERSION) element
+    mv element/config.sample.json element/config.json
+
+build:
+	docker buildx build --platform linux/amd64,linux/arm64,linux/arm --push \
+      --cache-from=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
+	  --cache-to=type=registry,ref=${NAMESPACE}/buildx:${IMAGE} \
+	  --tag ${NAMESPACE}/${IMAGE}:$(VERSION) \
+	  --tag ${CI_REGISTRY_IMAGE}/${IMAGE}:$(VERSION) .