add Dockerfile

Dockerfile

+ARG IMAGE_SERVER
+ARG FLUTTER_VERSION="3.19.0"
+ARG DEPENDENCY_DIR="/tmp/dependencies"
+ARG FLUTTER_URL="https://github.com/flutter/flutter"
+
+FROM $IMAGE_SERVER/ubuntu:22.04 as download
+
+ARG FLUTTER_URL
+ARG FLUTTER_VERSION
+ARG DEPENDENCY_DIR
+ARG FLUTTER_DIR="$DEPENDENCY_DIR/flutter"
+ARG TMP_DEPENDENCIES_DIR="$DEPENDENCY_DIR/tmp"
+ARG GLIBC_URL="https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.35-r1"
+
+RUN apt update \
+    && apt install -y wget git \
+    && git clone -b $FLUTTER_VERSION --depth 1 "${FLUTTER_URL}.git" $FLUTTER_DIR \
+    && cd $FLUTTER_DIR \
+    && git gc --prune=all \
+    # && wget https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${FLUTTER_VERSION}-stable.tar.xz \
+    # && tar xf flutter_linux_${FLUTTER_VERSION}-stable.tar.xz --strip-components=1 --directory $FLUTTER_DIR \
+    && wget "$GLIBC_URL/glibc-2.35-r1.apk" --directory-prefix $TMP_DEPENDENCIES_DIR \
+    && wget "$GLIBC_URL/glibc-bin-2.35-r1.apk" --directory-prefix $TMP_DEPENDENCIES_DIR
+
+
+FROM alpine:3.19
+
+ARG DEPENDENCY_DIR
+
+ENV FLUTTER_HOME "/flutter"
+ENV PATH $PATH:$FLUTTER_HOME/bin
+ENV FLUTTER_GIT_URL "unknown source"
+
+COPY --from=download $DEPENDENCY_DIR /
+
+RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://alpine-pkgs.sgerrand.com/sgerrand.rsa.pub \
+    && apk add --no-cache --force-overwrite curl bash git tmp/glibc-2.35-r1.apk tmp/glibc-bin-2.35-r1.apk \
+    && rm -r /tmp/* \
+    && dart --disable-analytics && flutter config --no-analytics \
+    && flutter precache --universal