docker logic to avoid rebuilding large image every time for easy dev

Dockerfile

@@ -1,47 +1,5 @@
 # Build jbig2enc in a separate stage
-FROM debian:bullseye-slim as jbig2enc_builder
-
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        git \
-        automake \
-        autoconf \
-        libtool \
-        libleptonica-dev \
-        pkg-config \
-        ca-certificates \
-        zlib1g-dev \
-		make \
-		g++
-
-RUN git clone https://github.com/agl/jbig2enc && \
-    cd jbig2enc && \
-    ./autogen.sh && \
-    ./configure && \
-    make && \
-    make install
-
-# Main stage
-FROM openjdk:17-jdk-slim
-
-# Install necessary dependencies
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        libreoffice-core \
-        libreoffice-common \
-        libreoffice-writer \
-        libreoffice-calc \
-        libreoffice-impress \
-        python3-uno \
-		python3-pip \
-        unoconv \
-		pngquant \
-		unpaper \
-        ocrmypdf && \
-	pip install --user --upgrade ocrmypdf
-
-# Copy the jbig2enc binary from the builder stage
-COPY --from=jbig2enc_builder /usr/local/bin/jbig2 /usr/local/bin/jbig2
+FROM frooodle/stirling-pdf-base:latest
 
 # Copy the application JAR file
 COPY build/libs/*.jar app.jar

DockerfileBase

@@ -0,0 +1,44 @@
+# Build jbig2enc in a separate stage
+FROM debian:bullseye-slim as jbig2enc_builder
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        git \
+        automake \
+        autoconf \
+        libtool \
+        libleptonica-dev \
+        pkg-config \
+        ca-certificates \
+        zlib1g-dev \
+		make \
+		g++
+
+RUN git clone https://github.com/agl/jbig2enc && \
+    cd jbig2enc && \
+    ./autogen.sh && \
+    ./configure && \
+    make && \
+    make install
+
+# Main stage
+FROM openjdk:17-jdk-slim
+
+# Install necessary dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        libreoffice-core \
+        libreoffice-common \
+        libreoffice-writer \
+        libreoffice-calc \
+        libreoffice-impress \
+        python3-uno \
+		python3-pip \
+        unoconv \
+		pngquant \
+		unpaper \
+        ocrmypdf && \
+	pip install --user --upgrade ocrmypdf
+
+# Copy the jbig2enc binary from the builder stage
+COPY --from=jbig2enc_builder /usr/local/bin/jbig2 /usr/local/bin/jbig2