ci: fix Dockfile (#257)

docker/Dockerfile

@@ -21,9 +21,12 @@ RUN mkdir -p /downloads && cd /downloads && \
         curl -LJO https://dev.mysql.com/get/Downloads/MySQL-Shell/mysql-shell-9.1.0-linux-glibc2.28-arm-64bit.tar.gz && \
         tar -zxf mysql-shell-9.1.0-linux-glibc2.28-arm-64bit.tar.gz && \
         mv mysql-shell-9.1.0-linux-glibc2.28-arm-64bit mysqlsh && \
+        touch mysql-shell.deb && \
         ARCH="aarch64"; \
     else \
         curl -LJO https://dev.mysql.com/get/Downloads/MySQL-Shell/mysql-shell_9.1.0-1debian12_amd64.deb && \
+        mv mysql-shell_9.1.0-1debian12_amd64.deb mysql-shell.deb && \
+        mkdir mysqlsh && \
         ARCH="amd64"; \
     fi && \
     curl -LJO https://github.com/duckdb/duckdb/releases/download/v1.1.3/duckdb_cli-linux-$ARCH.zip && \
@@ -54,9 +57,7 @@ ARG TARGETARCH
 
 RUN apt-get update && apt-get install -y debian-archive-keyring \
     && apt-get update && apt-get install -y \
-    procps \
     libssh-4 \
-    libstdc++6 \
     python3 python3-pip \
     postgresql-client \
     --no-install-recommends \
@@ -66,15 +67,17 @@ RUN apt-get update && apt-get install -y debian-archive-keyring \
 # Install MySQL Shell from builder stage
 COPY --from=builder /downloads/duckdb /usr/local/bin/
 COPY --from=builder /downloads/mysqlsh /usr/local/mysqlsh.arm64
-COPY --from=builder /downloads/mysql-shell_9.1.0-1debian12_amd64.deb /tmp/mysql-shell.deb
+COPY --from=builder /downloads/mysql-shell.deb /tmp/
 
 RUN if [ "$TARGETARCH" = "arm64" ]; then \
         mv /usr/local/mysqlsh.arm64 /usr/local/mysqlsh && \
-        ln -s /usr/local/mysqlsh/bin/mysqlsh /usr/local/bin/mysqlsh; \
+        ln -s /usr/local/mysqlsh/bin/mysqlsh /usr/local/bin/mysqlsh && \
+        rm -f /tmp/mysql-shell.deb; \
     else \
         apt-get update && \
         apt-get install -y /tmp/mysql-shell.deb && \
         rm /tmp/mysql-shell.deb && \
+        rm -rf /usr/local/mysqlsh.arm64 && \
         rm -rf /var/lib/apt/lists/*; \
     fi && \
     rm -f /usr/local/mysqlsh.arm64