Install animdl systemwide in Docker image

Dockerfile

@@ -12,6 +12,8 @@ ENV DEBIAN_FRONTEND=noninteractive \
     ANI_CLI_WEB_REPO=${ANI_CLI_WEB} \
     ANI_CLI_WEB_BRANCH=${ANI_CLI_WEB_BRANCH} \
     ANI_CLI_BIN=ani-cli \
+    ANIPY_CLI_BIN=/usr/local/bin/anipy-cli \
+    ANIMDL_BIN=/usr/local/bin/animdl \
     ANI_CLI_DOWNLOAD_DIR=/downloads \
     ANI_CLI_WEB_HOST=0.0.0.0 \
     ANI_CLI_WEB_PORT=8421 \
@@ -49,9 +51,17 @@ RUN curl -fL "${YT_DLP_RELEASE_URL}" -o /usr/local/bin/yt-dlp \
     && chmod 0755 /usr/local/bin/yt-dlp \
     && yt-dlp --version
 
-RUN python3 -m pip install --no-cache-dir anipy-cli animdl \
-    && anipy-cli --version \
-    && animdl --version
+RUN python3 -m pip install \
+        --no-cache-dir \
+        --no-warn-script-location \
+        --root-user-action=ignore \
+        --prefix=/usr/local \
+        anipy-cli \
+        animdl \
+    && test -x /usr/local/bin/anipy-cli \
+    && test -x /usr/local/bin/animdl \
+    && /usr/local/bin/anipy-cli --version \
+    && /usr/local/bin/animdl --version
 
 RUN git clone --depth 1 --branch "${ANI_CLI_WEB_BRANCH}" "${ANI_CLI_WEB}" /app \
     && rm -rf /app/.git \