fix(keri-ballot-verifier): fixed docker image

backend-services/keri-ballot-verifier/Dockerfile

@@ -1,33 +1,21 @@
-# Builder stage
-FROM python:3.12 AS builder
+FROM python:3.12-slim
 
 WORKDIR /src
 
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 ENV PATH="/root/.cargo/bin:${PATH}"
 
-COPY requirements.txt setup.py .
-RUN mkdir src
+COPY . /src
 RUN pip3 install -r requirements.txt
 
-# Runtime stage
-FROM python:3.12-slim AS base
-
-WORKDIR /src
-
 RUN apt update -qq && \
     apt install -y libsodium23 && \
     apt clean
 
-COPY --from=builder /usr/local /usr/local
-
-COPY . .
-
-ENV CONFIG_DIR /usr/local/var/keri
-WORKDIR $CONFIG_DIR
-RUN ln -s /src/scripts/start_verifier.sh /usr/local/bin/ballot-verifier
+ENV VERIFIER_CONFIG_DIR /usr/local/var/keri
+WORKDIR $VERIFIER_CONFIG_DIR
 
-RUN chmod +x /usr/local/bin/ballot-verifier
+RUN ln -s /src/scripts/start_verifier.sh /usr/local/bin/ballot-verifier && \
+    chmod +x /usr/local/bin/ballot-verifier
 
-FROM base AS ballot-verifier
 ENTRYPOINT ["/usr/local/bin/ballot-verifier"]