performing requested changes

docker/Dockerfile

@@ -18,7 +18,8 @@ WORKDIR /go/src/github.com/analogj/scrutiny
 COPY --link . /go/src/github.com/analogj/scrutiny
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive \
     apt-get install -y --no-install-recommends \
-    file
+    file \
+    && rm -rf /var/lib/apt/lists/*
 RUN make binary-clean binary-all WEB_BINARY_NAME=scrutiny
 
 
@@ -40,15 +41,16 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive \
     curl \
     smartmontools \
     tzdata \
-    && update-ca-certificates
-RUN case ${TARGETARCH} in \
-        "amd64")  S6_ARCH=amd64  ;; \
-        "arm64")  S6_ARCH=aarch64  ;; \
-    esac \
+    && rm -rf /var/lib/apt/lists/* \
+    && update-ca-certificates \
+    && case ${TARGETARCH} in \
+           "amd64")  S6_ARCH=amd64  ;; \
+           "arm64")  S6_ARCH=aarch64  ;; \
+       esac \
     && curl https://github.com/just-containers/s6-overlay/releases/download/v${S6VER}/s6-overlay-${S6_ARCH}.tar.gz -L -s --output /tmp/s6-overlay-${S6_ARCH}.tar.gz \
     && tar xzf /tmp/s6-overlay-${S6_ARCH}.tar.gz -C / \
-    && rm -rf /tmp/s6-overlay-${S6_ARCH}.tar.gz
-RUN curl -L https://dl.influxdata.com/influxdb/releases/influxdb2-${INFLUXVER}-${TARGETARCH}.deb --output /tmp/influxdb2-${INFLUXVER}-${TARGETARCH}.deb \
+    && rm -rf /tmp/s6-overlay-${S6_ARCH}.tar.gz \
+    curl -L https://dl.influxdata.com/influxdb/releases/influxdb2-${INFLUXVER}-${TARGETARCH}.deb --output /tmp/influxdb2-${INFLUXVER}-${TARGETARCH}.deb \
     && ln -s /usr/bin/false /bin/false \
     && ln -s /usr/bin/bash /bin/bash \
     && dpkg -i --force-all /tmp/influxdb2-${INFLUXVER}-${TARGETARCH}.deb \

docker/Dockerfile.collector

@@ -10,7 +10,7 @@ WORKDIR /go/src/github.com/analogj/scrutiny
 
 COPY . /go/src/github.com/analogj/scrutiny
 
-RUN apt-get update && apt-get install -y file
+RUN apt-get update && apt-get install -y file && rm -rf /var/lib/apt/lists/*
 RUN make binary-clean binary-collector
 
 ########
@@ -18,7 +18,7 @@ FROM debian:bookworm-slim as runtime
 WORKDIR /opt/scrutiny
 ENV PATH="/opt/scrutiny/bin:${PATH}"
 
-RUN apt-get update && apt-get install -y cron smartmontools ca-certificates tzdata && update-ca-certificates
+RUN apt-get update && apt-get install -y cron smartmontools ca-certificates tzdata && rm -rf /var/lib/apt/lists/* && update-ca-certificates
 
 COPY /docker/entrypoint-collector.sh /entrypoint-collector.sh
 COPY /rootfs/etc/cron.d/scrutiny /etc/cron.d/scrutiny

docker/Dockerfile.web

@@ -16,7 +16,7 @@ FROM golang:1.20-bookworm as backendbuild
 WORKDIR /go/src/github.com/analogj/scrutiny
 COPY --link . /go/src/github.com/analogj/scrutiny
 
-RUN apt-get update && apt-get install -y file
+RUN apt-get update && apt-get install -y file && rm -rf /var/lib/apt/lists/*
 RUN make binary-clean binary-all WEB_BINARY_NAME=scrutiny
 
 
@@ -26,7 +26,7 @@ EXPOSE 8080
 WORKDIR /opt/scrutiny
 ENV PATH="/opt/scrutiny/bin:${PATH}"
 
-RUN apt-get update && apt-get install -y ca-certificates curl tzdata && update-ca-certificates
+RUN apt-get update && apt-get install -y ca-certificates curl tzdata && rm -rf /var/lib/apt/lists/* && update-ca-certificates
 
 COPY --link --from=backendbuild --chmod=755 /go/src/github.com/analogj/scrutiny/scrutiny /opt/scrutiny/bin/
 COPY --link --from=frontendbuild --chmod=644 /go/src/github.com/analogj/scrutiny/dist /opt/scrutiny/web