Gather data

Dockerfile

@@ -1,4 +1,20 @@
-FROM eclipse-temurin:21-jdk-alpine
+FROM eclipse-temurin:25-jdk-alpine AS build
+RUN apk add --no-cache maven
+WORKDIR /app
+
+# Copy pom.xml and download dependencies (for caching)
+COPY pom.xml .
+RUN mvn dependency:go-offline
+
+# Copy source and templates
+COPY src ./src
+
+# Build and run tests with overridden properties
+ARG PUZZLE_ROWS=8
+ARG PUZZLE_COLS=9
+RUN mvn clean test package -DPUZZLE_ROWS=${PUZZLE_ROWS} -DPUZZLE_COLS=${PUZZLE_COLS}
+
+FROM eclipse-temurin:25-jdk-alpine
 
 RUN apk add --no-cache curl tzdata
 
@@ -9,19 +25,12 @@ RUN curl -fsSL -o /usr/local/bin/supercronic \
 
 WORKDIR /app
 
-# Copy source files
-COPY src/ /app/src/
-COPY export_real_words_with_hints.csv /app/export_real_words_with_hints.csv
-COPY compile.sh /app/compile.sh
+# Copy the built jar and other necessary files from the build stage
+COPY --from=build /app/target/tools-all.jar /app/target/tools-all.jar
+COPY nl_score_hints.csv /app/nl_score_hints.csv
 COPY docker-entrypoint.sh /app/docker-entrypoint.sh
 COPY crontab /app/crontab
 
-# Compile Java code
-RUN chmod +x /app/compile.sh && \
-    mkdir -p /app/target && \
-    cp src/puzzle/postgresql-42.7.8.jar /app/target/ && \
-    javac -cp /app/target/postgresql-42.7.8.jar -d /app/target src/puzzle/*.java
-
 # Create output directory
 RUN mkdir -p /data/puzzles