Multistage build

img/dockerizacija.excalidraw

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multistage-build/Dockerfile

@@ -10,13 +10,19 @@ EXPOSE 3000
 # create and set main app directory
 WORKDIR /app
 
+# install sys libs and create virtual env
+RUN \
+    apt update && \
+    apt install -y gcc libpq-dev python3-dev && \
+    python -m venv /venv
+
 # copy app files to /app directory
 COPY ./app .
 
-# install dependencies
+# install dependencies && cleanup
 RUN \
-    python -m venv /venv && \
+    pip install -r requirements.txt && \
-    pip install -r requirements.txt
+    apt purge --auto-remove -y
 
 # start shell script when container starts
 ENTRYPOINT ["/app/run.sh"]

multistage-build/Dockerfile.multistage

@@ -0,0 +1,51 @@
+FROM python:3.11-slim-bookworm AS install-dependencies
+
+# create and set main app directory
+WORKDIR /app
+
+# set virtual env path
+ENV \
+    PATH=/venv/bin:$PATH
+
+# install sys libs and create virtual env
+RUN \
+    apt update && \
+    apt install -y gcc libpq-dev python3-dev && \
+    python -m venv /venv
+
+# copy app files to /app directory
+COPY ./app/requirements.txt .
+
+# install dependencies && cleanup
+RUN \
+    pip install -r requirements.txt
+
+
+FROM python:3.11-slim-bookworm
+
+# set virtual env path
+ENV \
+    PATH=/venv/bin:$PATH
+
+# does nothing, for documentation only
+EXPOSE 3000
+
+# create and set main app directory
+WORKDIR /app
+
+COPY --from=install-dependencies /venv /venv
+
+# copy app files to /app directory
+COPY ./app .
+
+RUN ls -alF /
+RUN ls -alF /venv
+RUN ls -alF /venv/bin
+RUN ls -alF /app
+
+
+# start shell script when container starts
+ENTRYPOINT ["/app/run.sh"]
+
+# no additional parameters to run.sh script
+CMD []

multistage-build/Makefile

@@ -1,13 +1,19 @@
-IMAGE_NAME=api-server
+IMAGE_NAME=api-server-ms
-CONTAINER_NAME=api-server
+CONTAINER_NAME=api-server-ms
 
 build: clean
 	@docker build \
 		--progress=plain \
-		--no-cache \
 		--tag $(IMAGE_NAME) \
 		.
 
+build-multistage: clean
+	@docker build \
+		--progress=plain \
+		--tag $(IMAGE_NAME) \
+		--file Dockerfile.multistage \
+		.
+
 run:
 	@docker run \
 		--name $(IMAGE_NAME) \
@@ -16,16 +22,6 @@ run:
 		--detach \
 		$(CONTAINER_NAME)
 
-run-mount-log:
-	@docker run \
-		--name $(IMAGE_NAME) \
-		--publish 3000:3000 \
-		--volume /var/log/api-server:/app/log \
-		--env CONTAINER_NAME="Awesome API server" \
-		--detach \
-		$(CONTAINER_NAME)
-
-
 clean:
 	- @docker stop $(CONTAINER_NAME)
 	- @docker rm $(CONTAINER_NAME)

multistage-build/app/requirements.txt

@@ -1,2 +1,3 @@
 fastapi
 uvicorn
+psycopg2