style(docker): newer versions of docker require keyword as to be of same case as from

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

docker/Dockerfile.build.fhi72.rhel9

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-base
+FROM ran-base:latest AS ran-base
 ENV TZ=Europe
 
 RUN rm -Rf /oai-ran
@@ -48,7 +48,7 @@ RUN git clone https://gerrit.o-ran-sc.org/r/o-du/phy.git /opt/phy && \
     cd /opt/phy/fhi_lib/lib && \
     RTE_SDK=/oai-ran/dpdk-stable-20.11.9/ XRAN_DIR=/opt/phy/fhi_lib make XRAN_LIB_SO=1 
 
-FROM ran-base as ran-build-fhi72
+FROM ran-base AS ran-build-fhi72
 ARG E2AP_VERSION=E2AP_V3
 ARG KPM_VERSION=KPM_V3_00
 

docker/Dockerfile.build.fhi72.ubuntu22

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-base
+FROM ran-base:latest AS ran-base
 
 ARG E2AP_VERSION=E2AP_V3
 ARG KPM_VERSION=KPM_V3_00
@@ -61,7 +61,7 @@ RUN git clone https://gerrit.o-ran-sc.org/r/o-du/phy.git /opt/phy && \
     cd /opt/phy/fhi_lib/lib && \
     RTE_SDK=/oai-ran/dpdk-stable-20.11.9/ XRAN_DIR=/opt/phy/fhi_lib make XRAN_LIB_SO=1 
 
-FROM ran-base as ran-build-fhi72
+FROM ran-base AS ran-build-fhi72
 ## Build and install OAI
 #run build_oai to build the target image
 RUN /bin/sh oaienv && \ 

docker/Dockerfile.build.rhel9

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran

docker/Dockerfile.build.rocky

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran

docker/Dockerfile.build.ubuntu22

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 ARG BUILD_OPTION
 
 RUN rm -Rf /oai-ran

docker/Dockerfile.build.ubuntu22.cross-arm64

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 
 RUN rm -Rf /oai-ran
 WORKDIR /oai-ran

docker/Dockerfile.eNB.rhel9

@@ -31,7 +31,7 @@ FROM ran-build:latest AS enb-build
 
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-enb
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-enb
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.eNB.rocky

@@ -32,7 +32,7 @@ FROM ran-build:latest AS enb-build
 
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-enb
+FROM $BASE_IMAGE AS oai-enb
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.eNB.ubuntu22

@@ -25,13 +25,13 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as enb-base
+FROM ran-base:latest AS enb-base
 
 FROM ran-build:latest AS enb-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-enb
+FROM ubuntu:jammy AS oai-enb
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris

docker/Dockerfile.gNB.aerial.ubuntu22

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
@@ -58,7 +58,7 @@ RUN /bin/sh oaienv && \
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-gnb-aerial
+FROM ubuntu:jammy AS oai-gnb-aerial
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe
 

docker/Dockerfile.gNB.aerial.ubuntu22.sanitize-address

@@ -25,7 +25,7 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ran-build
+FROM ran-base:latest AS ran-build
 
 RUN apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get upgrade --yes && \
@@ -58,7 +58,7 @@ RUN /bin/sh oaienv && \
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-gnb-aerial
+FROM ubuntu:jammy AS oai-gnb-aerial
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe
 

docker/Dockerfile.gNB.aw2s.rhel9

@@ -38,7 +38,7 @@ RUN /bin/sh oaienv && \
     ./build_oai -w AW2SORI -t Ethernet
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-gnb-aw2s
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-gnb-aw2s
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.gNB.aw2s.rocky

@@ -39,7 +39,7 @@ RUN /bin/sh oaienv && \
     ./build_oai -w AW2SORI -t Ethernet
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-gnb-aw2s
+FROM $BASE_IMAGE AS oai-gnb-aw2s
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.gNB.fhi72.rhel9

@@ -25,12 +25,12 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as gnb-base
+FROM ran-base:latest AS gnb-base
 
-FROM ran-build-fhi72:latest as gnb-build
+FROM ran-build-fhi72:latest AS gnb-build
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-gnb-fhi72
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-gnb-fhi72
 ENV TZ=Europe/Paris
 
 # Copy the entitlements

docker/Dockerfile.gNB.fhi72.ubuntu22

@@ -25,13 +25,13 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as gnb-base
+FROM ran-base:latest AS gnb-base
 
-FROM ran-build-fhi72:latest as gnb-build
+FROM ran-build-fhi72:latest AS gnb-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-gnb
+FROM ubuntu:jammy AS oai-gnb
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe

docker/Dockerfile.gNB.rhel9

@@ -31,7 +31,7 @@ FROM ran-build:latest AS gnb-build
 
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-gnb
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-gnb
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.gNB.rocky

@@ -32,7 +32,7 @@ FROM ran-build:latest AS gnb-build
 
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-gnb
+FROM $BASE_IMAGE AS oai-gnb
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.gNB.ubuntu22

@@ -25,13 +25,13 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as gnb-base
+FROM ran-base:latest AS gnb-base
 
 FROM ran-build:latest AS gnb-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-gnb
+FROM ubuntu:jammy AS oai-gnb
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris

docker/Dockerfile.lteRU.rhel9

@@ -31,7 +31,7 @@ FROM ran-build:latest AS ru-build
 
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-lte-ru
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-lte-ru
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.lteRU.ubuntu22

@@ -25,13 +25,13 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as ru-base
+FROM ran-base:latest AS ru-base
 
 FROM ran-build:latest AS ru-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-lte-ru
+FROM ubuntu:jammy AS oai-lte-ru
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris
 

docker/Dockerfile.lteUE.rhel9

@@ -31,7 +31,7 @@ FROM ran-build:latest AS lte-ue-build
 
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-lte-ue
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-lte-ue
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.lteUE.rocky

@@ -32,7 +32,7 @@ FROM ran-build:latest AS lte-ue-build
 
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-lte-ue
+FROM $BASE_IMAGE AS oai-lte-ue
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.lteUE.ubuntu22

@@ -31,7 +31,7 @@ FROM ran-build:latest AS lte-ue-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-lte-ue
+FROM ubuntu:jammy AS oai-lte-ue
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris

docker/Dockerfile.nr-cuup.rhel9

@@ -32,7 +32,7 @@ FROM ran-build:latest AS gnb-build
 RUN cp /oai-ran/docker/scripts/gnb_entrypoint.sh /oai-ran/docker/scripts/entrypoint.sh
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-nr-cuup
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-nr-cuup
 ENV TZ=Europe/Paris
 
 RUN yum repolist --disablerepo=* && \

docker/Dockerfile.nr-cuup.rocky

@@ -33,7 +33,7 @@ FROM ran-build:latest AS gnb-build
 RUN cp /oai-ran/docker/scripts/gnb_entrypoint.sh /oai-ran/docker/scripts/entrypoint.sh
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-nr-cuup
+FROM $BASE_IMAGE AS oai-nr-cuup
 ENV TZ=Europe/Paris
 
 RUN yum repolist --disablerepo=* && \

docker/Dockerfile.nr-cuup.ubuntu22

@@ -25,12 +25,12 @@
 #
 #---------------------------------------------------------------------
 
-FROM ran-base:latest as gnb-base
+FROM ran-base:latest AS gnb-base
 
 FROM ran-build:latest AS gnb-build
 
 
-FROM ubuntu:jammy as oai-nr-cuup
+FROM ubuntu:jammy AS oai-nr-cuup
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe

docker/Dockerfile.nrUE.rhel9

@@ -31,7 +31,7 @@ FROM ran-build:latest AS nr-ue-build
 
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-nr-ue
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-nr-ue
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.nrUE.rocky

@@ -32,7 +32,7 @@ FROM ran-build:latest AS nr-ue-build
 
 
 #start from scratch for target executable
-FROM $BASE_IMAGE as oai-nr-ue
+FROM $BASE_IMAGE AS oai-nr-ue
 ENV TZ=Europe/Paris
 
 RUN dnf update -y && \

docker/Dockerfile.nrUE.ubuntu22

@@ -31,7 +31,7 @@ FROM ran-build:latest AS nr-ue-build
 
 
 #start from scratch for target executable
-FROM ubuntu:jammy as oai-nr-ue
+FROM ubuntu:jammy AS oai-nr-ue
 ARG BUILD_OPTION
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Europe/Paris

docker/Dockerfile.phySim.rhel9

@@ -41,7 +41,7 @@ RUN /bin/sh oaienv && \
     ./build_oai --phy_simulators --ninja --sanitize --noavx512 -c --cmake-opt -DCMAKE_C_FLAGS=-Werror --cmake-opt -DCMAKE_CXX_FLAGS=-Werror
 
 #start from scratch for target executable
-FROM registry.access.redhat.com/ubi9/ubi:latest as oai-physim
+FROM registry.access.redhat.com/ubi9/ubi:latest AS oai-physim
 
 RUN dnf update -y && \
     dnf install -y \