fixing Keycloak Auth

dockerfiles/infrastructure/auth-server/Dockerfile

@@ -51,6 +51,10 @@ ENV GRADLE_USER_HOME=/home/gradle/.gradle
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/infrastructure/gateway/Dockerfile

@@ -51,6 +51,9 @@ ENV GRADLE_USER_HOME=/home/gradle/.gradle
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
 
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 # Copy platform dependencies (changes less frequently)
 COPY platform/ platform/
 COPY core/ core/

dockerfiles/infrastructure/keycloak/Dockerfile

@@ -0,0 +1,45 @@
+# syntax=docker/dockerfile:1.8
+# ===================================================================
+# Production-Ready Keycloak Dockerfile
+# ===================================================================
+# Based on: quay.io/keycloak/keycloak:26.0.7
+# Features:
+# - Pre-built optimized image (faster startup)
+# - Security hardening
+# - Custom theme support
+# - Health monitoring
+# ===================================================================
+
+ARG KEYCLOAK_VERSION=26.4.0
+
+# Build stage - optimize Keycloak
+FROM quay.io/keycloak/keycloak:${KEYCLOAK_VERSION} AS builder
+
+ENV KC_HEALTH_ENABLED=true
+ENV KC_METRICS_ENABLED=true
+ENV KC_DB=postgres
+
+WORKDIR /opt/keycloak
+
+# Pre-build Keycloak for faster startup
+RUN /opt/keycloak/bin/kc.sh build \
+    --db=postgres \
+    --health-enabled=true \
+    --metrics-enabled=true \
+    --cache=ispn \
+    --cache-stack=tcp
+
+# Production stage
+FROM quay.io/keycloak/keycloak:${KEYCLOAK_VERSION}
+
+LABEL maintainer="Meldestelle Development Team"
+LABEL description="Production-ready Keycloak for Meldestelle authentication"
+LABEL version="${KEYCLOAK_VERSION}"
+
+# Copy pre-built Keycloak
+COPY --from=builder /opt/keycloak/ /opt/keycloak/
+
+# Set user
+USER 1000
+
+ENTRYPOINT ["/opt/keycloak/bin/kc.sh"]

dockerfiles/infrastructure/monitoring-server/Dockerfile

@@ -37,6 +37,10 @@ ENV GRADLE_OPTS="-Dorg.gradle.caching=true \
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/services/events-service/Dockerfile

@@ -45,6 +45,10 @@ ENV GRADLE_OPTS="-Dorg.gradle.caching=true \
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/services/horses-service/Dockerfile

@@ -45,6 +45,10 @@ ENV GRADLE_OPTS="-Dorg.gradle.caching=true \
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/services/masterdata-service/Dockerfile

@@ -45,6 +45,10 @@ ENV GRADLE_OPTS="-Dorg.gradle.caching=true \
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/services/members-service/Dockerfile

@@ -45,6 +45,10 @@ ENV GRADLE_OPTS="-Dorg.gradle.caching=true \
 # Copy build files in optimal order for caching
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
+
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 COPY platform/ platform/
 COPY core/ core/
 COPY build.gradle.kts ./

dockerfiles/services/ping-service/Dockerfile

@@ -45,6 +45,9 @@ ENV GRADLE_USER_HOME=/home/gradle/.gradle
 COPY gradlew gradlew.bat gradle.properties settings.gradle.kts ./
 COPY gradle/ gradle/
 
+# Make gradlew executable (required on Linux/Unix systems)
+RUN chmod +x gradlew
+
 # Copy platform dependencies (changes less frequently)
 COPY platform/ platform/