Feature 11019: Workflow for cloud-native operations in OSM following Gitops model

Change-Id: Ie763936b095715669741197e36456d8e644c7456
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/docker/osm-krm-functions/Dockerfile b/docker/osm-krm-functions/Dockerfile
new file mode 100644
index 0000000..ca7c90f
--- /dev/null
+++ b/docker/osm-krm-functions/Dockerfile
@@ -0,0 +1,58 @@
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+
+FROM alpine:3.20
+# FROM bash:3.1.23-alpine3.20
+
+# Ensure compatibility with any script
+RUN ln -s /usr/local/bin/bash /bin/bash
+
+# Install packages available at Alpine repos
+RUN apk add --no-cache \
+    age \
+    bash \
+    curl \
+    envsubst \
+    git \
+    kubectl \
+    kustomize \
+    rsync \
+    sops \
+    yq
+#\
+# apg \
+# gnupg \
+# gpg \
+# openssh-client \
+# sshpass
+
+# Install other dependencies
+RUN (curl -s https://fluxcd.io/install.sh | bash) && \
+    curl https://github.com/GoogleContainerTools/kpt/releases/download/v1.0.0-beta.44/kpt_linux_amd64 -Lo kpt && \
+    chmod +x kpt && \
+    mv kpt /usr/local/bin/
+
+# Create new user and log in as it
+RUN addgroup -g 10000 -S app && \
+    adduser -h /app -s /bin/false -D -u 10000 -S -G app app
+USER app
+WORKDIR /app
+
+# Add helper scripts
+COPY --chown=app:app scripts/docker-entrypoint.sh /app/scripts/entrypoint.sh
+COPY --chown=app:app scripts/library /app/scripts/library
+
+ENTRYPOINT [ "/app/scripts/entrypoint.sh" ]
+
+CMD ["bash"]