Dockerfile

@@ -1,10 +1,21 @@
-FROM alpine:3.18.2
+# Stage 1: Build Nginx
+FROM alpine:3.18.4 as builder
 
-# Install dependencies
+# Install build dependencies and required tools
-RUN apk update && \
+RUN apk update && apk upgrade && \
-    apk upgrade && \
+    apk add --no-cache php81 php81-fpm php81-gd build-base pcre-dev openssl-dev zlib-dev linux-headers
-    apk add --no-cache nginx php81 php81-fpm php81-gd && \
+
-    rm -rf /var/cache/apk/*
+# Download and build the latest version of Nginx from source
+WORKDIR /tmp
+RUN wget https://nginx.org/download/nginx-1.25.2.tar.gz
+RUN tar -xzvf nginx-1.25.2.tar.gz
+WORKDIR /tmp/nginx-1.25.2
+RUN ./configure --prefix=/usr/local/nginx --sbin-path=/usr/local/sbin/nginx --conf-path=/etc/nginx/nginx.conf
+RUN make
+RUN make install
+
+# Cleanup unnecessary files
+RUN rm -rf /tmp/*
 
 # Set up nginx
 COPY ./docker/nginx.conf /etc/nginx/nginx.conf
@@ -13,5 +24,22 @@ COPY ./docker/nginx.conf /etc/nginx/nginx.conf
 COPY ./upload.php /tmp/upload.php
 COPY ./docker/start.sh /start.sh
 
+# Stage 2: Create a smaller image
+FROM alpine:3.18.4
+
+# Copy Nginx and PHP-FPM binaries and configurations from the builder stage
+COPY --from=builder /usr/local/nginx /usr/local/nginx
+COPY --from=builder /etc/nginx /etc/nginx
+COPY --from=builder /etc/php81 /etc/php81
+COPY --from=builder /tmp/upload.php /tmp/upload.php
+COPY --from=builder /start.sh /start.sh
+
+# Install runtime dependencies
+RUN apk update && apk upgrade && \
+    apk add --no-cache php81 php81-fpm php81-gd
+
+# Cleanup unnecessary files
+RUN rm -rf /var/cache/apk/*
+
 # Start server
 CMD ["sh", "/start.sh"]

docker/start.sh

@@ -41,7 +41,7 @@ function start() {
   echo "Starting PHP & Nginx"
   php-fpm81 &&
   chmod 777 /run/php/php.sock &&
-  nginx -g 'daemon off;'
+  /usr/local/sbin/nginx -g 'daemon off;'
 }
 
 # Start Nginx and retry if it fails