feat(general): container image based on Ubuntu (#2252)

tools/docker/Dockerfile

@@ -1,24 +1,29 @@
-FROM gcr.io/distroless/static:nonroot
-ARG TARGETARCH
+FROM		ubuntu:latest
 
-# allow users to mount /app/config, /app/logs and /app/cache, /app/rclone respectively
-ENV KOPIA_CONFIG_PATH=/app/config/repository.config
-ENV KOPIA_LOG_DIR=/app/logs
-ENV KOPIA_CACHE_DIRECTORY=/app/cache
+ARG 		TARGETARCH
 
-# allow user to mount ~/.config/rclone to /app/rclone
-ENV RCLONE_CONFIG=/app/rclone/rclone.conf
+ENV 		DEBIAN_FRONTEND="noninteractive" \
+		    TERM="xterm-256color" \
+		    LC_ALL="C.UTF-8" \
+		    KOPIA_CONFIG_PATH=/app/config/repository.config \
+		    KOPIA_LOG_DIR=/app/logs \
+		    KOPIA_CACHE_DIRECTORY=/app/cache \
+		    RCLONE_CONFIG=/app/rclone/rclone.conf \
+		    KOPIA_PERSIST_CREDENTIALS_ON_CONNECT=false \
+		    KOPIA_CHECK_FOR_UPDATES=false
 
-# this requires repository password to be passed via KOPIA_PASSWORD environment.
-ENV KOPIA_PERSIST_CREDENTIALS_ON_CONNECT=false
-ENV KOPIA_CHECK_FOR_UPDATES=false
-
-# this creates directories writable by the current user
 WORKDIR /app
 
-ENV PATH=/bin
-
-COPY bin-${TARGETARCH}/kopia .
-COPY bin-${TARGETARCH}/rclone /bin/rclone
-
-ENTRYPOINT ["/app/kopia"]
+COPY 		bin-${TARGETARCH}/kopia .
+COPY 		bin-${TARGETARCH}/rclone /bin/rclone
+
+RUN 		apt-get update && \
+		    apt-get upgrade -y --with-new-pkgs && \
+		    apt-get install -y --no-install-recommends fuse3 && \
+		    apt-get clean autoclean -y && \
+    		apt-get autoremove -y && \
+    		rm -rf /var/lib/apt/* /var/lib/cache/* /var/lib/log/* \
+		    /var/tmp/* /usr/share/doc/ /usr/share/man/ /usr/share/locale/ \
+		    /root/.cache /root/.local /root/.gnupg /root/.config /tmp/*
+
+ENTRYPOINT 	["/app/kopia"]